A Case of Nature

Sustainable Style for Your Tech

Locally crafted, eco-friendly tech accessories designed to make a difference.

Shop Now Our Mission
Pastel colour checkered biodegradable phone case being held by a woman in jeans behind her back.

Sustainable Materials

Crafted using naturals that are biodegradable and kind to the planet.

Locally Produced

Made to order and local to you, minimizing carbon emissions.

Delivered Worldwide

Plastic-free, low-emission, and fast worldwide shipping.

 
The Blue Watercolour Landscape Eco-Friendly Phone Case features a biodegradable design with a minimalist blue landscape of mountains and a lake on a light, speckled background.

Blue Watercolour Landscape Eco-Friendly Phone Case

£26.90
 
The Hills Eco-Friendly Phone Case in beige features abstract wavy layers in pink, orange, yellow, and tan, plus a green U-shaped logo near the bottom. Compatible with iPhone and Samsung Galaxy models.

Hills Eco-Friendly Phone Case

£26.90
 
The Lemons Eco-Friendly Phone Case showcases bright yellow lemon and green leaf patterns on a light beige, compostable material with a “U” printed near the bottom, as seen from the back.

Lemons Eco-Friendly Phone Case

£26.90
 
The Orange Blossom Eco-Friendly Phone Case features bright fruit, green leaves, and white blossoms on a beige background—ideal for anyone seeking a compostable and stylish phone case.

Orange Blossom Eco-Friendly Phone Case

£26.90
 
The Pink and Purple Checker Eco-Friendly Phone Case, featuring a muted pink, beige, yellow, and brown checker pattern and a small green horseshoe logo near the bottom, lies on a light neutral background.

Pink and Purple Checker Eco-Friendly Phone Case

£26.90
 
The Summer Rainbow Eco-Friendly Phone Case features horizontal, uneven stripes in a color gradient from yellow at the top to purple at the bottom, shown against a neutral light background.

Summer Rainbow Eco-Friendly Phone Case

£26.90
 
The Cliffs Eco-Friendly Phone Case features an abstract wavy design in yellow, pink, peach, and rust with a green horseshoe symbol near the bottom. Compatible with iPhone and Samsung Galaxy models.

Cliffs Eco-Friendly Phone Case

£26.90
 
The Hills Eco-Friendly Phone Case in beige features abstract wavy layers in pink, orange, yellow, and tan, plus a green U-shaped logo near the bottom. Compatible with iPhone and Samsung Galaxy models.

Hills Eco-Friendly Phone Case

£26.90
 

Year Of The Snake Eco-Friendly Biodegradable Phone Case

£26.90
 

Burgundy Stars Eco-Friendly Biodegradable Phone Case

£26.90
 
The Ocean Waves Eco-Friendly Phone Case features an abstract blue wavy line design on white, inspired by ocean waves. This biodegradable case covers the entire back, offering both style and sustainability.

Ocean Waves Eco-Friendly Phone Case

£26.90
 

Green Bow Ribbon Eco-Friendly Phone Case

£26.90

Let customers speak for us

from 1047 reviews

Brilliant item, really lovely design and been using it a few weeks now and the picture hasn't scratched or faded at all. Very happy, great quality

Rosie
Casulo

Beautiful item, very high quality materials with lovely vibrant colours on the print. Great value for money. The delivery was super quick and seller very communicative. Couldn’t be more pleased!

Ella Jones
Casulo

Super coque de téléphone, très jolie design et a l'air bien robuste !\nJe recommande cet article !

Lou
Casulo

Super happy with my purchase. It arrived within the estimated delivery period and fits the phone really well. Easy to apply to phone, but also easy to remove when needed. So pleased to have found this biodegradable option and I have already recommended this shop to others.

Heather
Casulo

Gorgeous item, great quality. Love it.

Tracy
Casulo

Super pretty and exactly as pictured. The design I chose is exactly what I'd been looking for: fun yet subtle. The case feels really sturdy. I highly recommend it, and I'll be back myself for more :)

irene susini
Casulo

I am happy for this great eco cover!!

Marina
Casulo

The watch strap is really cute and comfortable!

haamclean
Casulo

Very happy with my purchase! Lovely pattern and seems very well made. ??

Craig
Casulo

Second time purchasing it. I love it!

Carmen
Casulo

This cover is very wonderful!

Marina
Casulo

This is a repeat purchase as I love these phone cases. Seller was really helpful with a small concern. Would highly recommend.

Kate
Casulo

Amazing! Real nice and firm.

Rins
Casulo

Great product. Very pleased, good quality.

MySerendipitousDay
Casulo

beautiful case, very happy. Thank you!

Thabea
Casulo

Why Casulo?

Sustainably crafted, eco-friendly tech accessories, made locally with care and purpose.

Made to Order, Local to you

At Casulo, each tech accessory is locally produced using sustainable, biodegradable, and recyclable materials, reducing waste and minimizing our environmental footprint. Designed to fit your tech and your values, our accessories are as unique as you are, made to last and support a greener tomorrow.

Casulo's local production centres for sustainable and low carbon footprint.

Eco-Friendly Phone Cases

 
The Pink Bow Ribbons Eco-Friendly Biodegradable Phone Case features a charming pink bow pattern on a light background with a small green horseshoe symbol, adding cute style while helping the environment.

Pink Bow Ribbons Eco-Friendly Biodegradable Phone Case

£26.90
 

Blue Bow Ribbons Eco-Friendly Biodegradable Phone Case

£26.90
 

Blue Flowers and Bow Ribbons Eco-Friendly Biodegradable Phone Case

£26.90
 

Coquette Roses Flowers Eco-Friendly Biodegradable Phone Case

£26.90
 
The Pink Ditsy Flowers Eco-Friendly Biodegradable Phone Case features a light pink and white floral pattern, scattered small roses, a green horseshoe-shaped logo, and fits phones with camera bumps—perfect for eco-conscious users.

Pink Ditsy Flowers Eco-Friendly Biodegradable Phone Case

£26.90
 
The Pink Coquette Flowers Eco-Friendly Biodegradable Phone Case features a pastel floral pattern with green leaves on a light background and a black horseshoe logo, offering stylish, sustainable protection for your smartphone.

Pink Coquette Flowers Eco-Friendly Biodegradable Phone Case

£26.90
 
The Blue Ditsy Flowers Eco-Friendly Biodegradable Phone Case features a repeating pattern of blue and purple flowers with green leaves on a light background and a small black horseshoe logo at the bottom center.

Blue Ditsy Flowers Eco-Friendly Biodegradable Phone Case

£26.90
 
The Pink and Blue Coquette Flowers Eco-Friendly Biodegradable Phone Case features pink flowers, blue ribbons, and small blue flowers on a light background, shown against an off-white surface.

Pink and Blue Coquette Flowers Eco-Friendly Biodegradable Phone Case

£26.90
Boho landscape neutral colours landscape print biodegradable eco friendly phone case.
 
Protect your iPhone or Samsung Galaxy with the Mountains Eco-Friendly Phone Case, featuring an abstract design of layered organic shapes in pink, peach, orange, and yellow. A small green U logo appears at the bottom of this minimalist landscape case.

Mountains Eco-Friendly Phone Case

£26.90
 
The Brown Checker Eco-Friendly Phone Case, featuring an orange and beige checker pattern with a small black horseshoe logo near the bottom center, is displayed against a plain light background.

Brown Checker Eco-Friendly Phone Case

£26.90
 

Red Bow Ribbon Eco-Friendly Phone Case

£26.90
 
The Red Hearts Eco-Friendly Phone Case, made from zero-waste materials, is beige with small red hearts and a green "U" logo near the bottom. Compatible with iPhone and Samsung Galaxy, it's displayed on a plain light background.

Red Hearts Eco-Friendly Phone Case

£26.90
Pastel colour check printed cruelty-free H21 vegan leather apple watch band.
 
Two smartwatches feature the Star Pink Check Vegan Leather Apple Watch Bands, showcasing a patchwork design of pink, beige, and orange squares along with floral motifs. These bands are crafted from vegan leather to ensure style meets sustainability. The watch faces show the time as the bands lay flat to highlight their design.

Star Pink Check Vegan Leather Apple Watch Band

£36.90

4 colors available
 
Two smartwatches with square faces showcase the Abstract Cut Out III Vegan Leather Apple Watch Bands. The bands feature abstract color blocks in shades of pink, yellow, and brown. One watch displays a clock face while the other highlights the unfastened strap. These cruelty-free straps are stylish and water-resistant.

Prairie Vegan Leather Apple Watch Band

£36.90

4 colors available
 
Displayed on a white background, two smartwatches showcase Terracotta Gingham Vegan Leather Apple Watch Bands. Their faces feature minimalist analog clocks with black backgrounds, complemented by the elegant vegan leather straps.

Terracota Gingham Vegan Leather Apple Watch Band

£36.90

4 colors available
 
Two smartwatches with the Yellow Beige Stripes Vegan Leather Apple Watch Bands feature minimalistic black faces highlighted with orange accents and are framed in silver. They're displayed on a light background, arranged in varied orientations for a stylish appearance.

Yellow Beige Stripes Vegan Leather Apple Watch Band

£36.90

4 colors available

Our Products

119 products

Eco-Friendly Phone Cases

A smartphone with a beige, textured case stands on a rough-edged rock. Two smooth stones are nearby, all against a soft beige background.

Vegan Leather Apple Watch Bands

An apple watch with a vegan leather band hanging on a tree branch

Accessories

Eco friendly phone screen and lens protector

Join the Casulo movement

Get 15% off your first order and exclusive eco-tips.

More than 200 kg of plastic waste avoided since 2020!

Our mission   Learn more

THE COCOON

Eco-Friendly Phone Cases Made in the UK: A Sustainable Choice

Eco-Friendly Phone Cases Made in the UK: A Sustainable Choice

Why Choosing UK-Made Eco-Friendly Phone Cases Matters Sustainability isn’t just a trend—it’s a movement. Every choice we make, big or small, has an impact on...

Endocrine Disruptors: Common Products to Avoid and Safer, Sustainable Alternatives

Endocrine Disruptors: Common Products to Avoid and Safer, Sustainable Alternatives

Are Harmful Chemicals Hiding in Your Everyday Products? Endocrine-disrupting chemicals (EDCs) are more common than you think—and they may be impacting your hormones, fertility, and...

Samsung Galaxy S25 Eco Friendly Phone Case with a blue line art turtles pattern

The Best Eco-Friendly Phone Cases for the Samsung Galaxy S25

As the highly anticipated Samsung Galaxy S25 launch approaches, eco-conscious tech enthusiasts everywhere are on the hunt for protective phone cases that don’t just safeguard...

Hand holding a biodegradable eco friendly phone case with an abstract print.

Why “Made-to-Order” Matters: How Local Production Reduces Waste & Emissions

Why “Made-to-Order” Matters Uncover how on-demand manufacturing and local production centers reduce waste, minimize emissions, and support fair labor standards. See why made-to-order tech accessories...

Plant based vegan leather Apple Watch band holding on a tree branch.

Why Vegan Leather Apple Watch Bands Are the Cruelty-Free, Stylish Upgrade You Need

Vegan Leather Apple Watch Bands: The Cruelty-Free Upgrade Discover how vegan leather Apple Watch bands offer a sleek, durable, and planet-friendly alternative to traditional leather....

Girl holding a colourful checkered eco-friendly biodegradable phone case.

What Makes Biodegradable Phone Cases the Future of Eco-Friendly Tech Accessories?

What Makes Biodegradable Phone Cases the Future of Eco-Friendly Tech Accessories? Explore what makes a phone case truly eco-friendly, how local production cuts carbon emissions,...

Your Questions, Answered

Our cases are crafted using biodegradable and compostable materials designed to reduce environmental impact. Unlike plastic cases, Casulo’s eco-friendly phone cases naturally break down over time, leaving no harmful waste behind.

For more detailed answers, feel free to explore our full FAQ page here.

Yes! Our cases are available for a wide range of models, including the latest iPhone and Samsung devices. Please double-check your device's model number before ordering to ensure the perfect fit.

For more detailed answers, feel free to explore our full FAQ page here.

We produce your items locally to minimize carbon emissions, and most orders ship within 1-3 business days. Delivery times vary by location and are displayed during checkout.

For more detailed answers, feel free to explore our full FAQ page here.

We offer hassle-free returns and exchanges within 30 days for unused items. Learn more about our Refunds & Returns Policy for full details.

For more detailed answers, feel free to explore our full FAQ page here.