Coolblue Anything for a smile.

Our goal is to make you completely happy. That's why we have our own delivery network, bike delivery drivers, installers, and stores. For over 20 years, we've made customers smile in the Netherlands, Belgium, and Germany.

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Coolblue's Choice

Sustainable phone cases

Sustainable phone cases

  • 110 phone cases

Do you want to protect your smartphone as well as the planet? Choose a durable phone case. These phone cases are made from recycled leather or biodegradable material. A back cover prevents damage to the back and sides while you can protect the entire device with a book case. The covers fit seamlessly on your phone if you choose a case that is made for your smartphone.

BlueBuilt Protective Back Cover with MagSafe iPhone 16 Pro Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Protective Back Cover with MagSafe iPhone 16 Pro Transparent
Second chance like new | Back cover | Size average | Color transparent
Purchase price € 23,99 € 18,-
including VAT, free delivery
In stock
BlueBuilt Protective Back Cover with MagSafe iPhone 16 Pro Max Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Protective Back Cover with MagSafe iPhone 16 Pro Max Transparent
Second chance like new | Back cover | Size average | Color transparent
Purchase price € 23,99 € 18,-
including VAT, free delivery
In stock
More Second Chance varieties available
Ordered before tomorrow 23:59, delivered Friday for free
Ordered before tomorrow 23:59, delivered Friday for free
BlueBuilt Protective Back Cover iPhone 16 Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Protective Back Cover iPhone 16 Transparent
Second chance like new | Back cover | Size average | Color transparent
Purchase price € 19,99 € 14,-
including VAT, free delivery
In stock
BlueBuilt Protective Back Cover iPhone 15 Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Protective Back Cover iPhone 15 Transparent
Second chance like new | Back cover | Size average | Color transparent
Purchase price € 19,99 € 14,-
including VAT, free delivery
In stock
More Second Chance varieties available
BlueBuilt Protective Back Cover Samsung Galaxy S24 Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Protective Back Cover Samsung Galaxy S24 Transparent
Second Chance with signs of wear | Back cover | Size average | Color transparent
Purchase price € 15,99 € 11,-
including VAT, free delivery
In stock
More Second Chance varieties available
Ordered before tomorrow 23:59, delivered Friday for free
BlueBuilt Protective Back Cover iPhone 15 Plus Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Protective Back Cover iPhone 15 Plus Transparent
Second Chance with signs of wear | Back cover | Size average | Color transparent
Purchase price € 19,99 € 11,-
including VAT, free delivery
In stock
More Second Chance varieties available
Free exchange
BlueBuilt Protective Back Cover Samsung Galaxy A55 Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Protective Back Cover Samsung Galaxy A55 Transparent
Second Chance with signs of wear | Back cover | Size average | Color transparent
Purchase price € 15,99 € 11,-
including VAT, free delivery
In stock
More Second Chance varieties available
BlueBuilt Protective Back Cover iPhone 16 Plus Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Protective Back Cover iPhone 16 Plus Transparent
Second Chance with visible damage | Back cover | Size average | Color transparent
Purchase price € 19,99 € 15,-
including VAT, free delivery
In stock
More Second Chance varieties available
Ordered before tomorrow 23:59, delivered Friday for free
Dbramante1928 Copenhagen Slim Samsung Galaxy A55 Book Case Leather Black Sustainable phone case
Dbramante1928 Copenhagen Slim Samsung Galaxy A55 Book Case Leather Black
Second Chance with signs of wear | Book case | Size large | Color black
Purchase price € 39,99 € 24,-
including VAT, free delivery
In stock
More Second Chance varieties available
Ordered before tomorrow 23:59, delivered Friday for free
BlueBuilt Samsung Galaxy S24 Back Cover Black Sustainable phone case
Coolblue's Choice
BlueBuilt Samsung Galaxy S24 Back Cover Black
Second chance like new | Back cover | Size average | Color black
Purchase price € 9,99 € 7,-
including VAT, free delivery
In stock
OtterBox Defender Samsung S24 Back Cover Black Sustainable phone case
OtterBox Defender Samsung S24 Back Cover Black
Second Chance with visible damage | Back cover | Size very large | Color black
Purchase price € 25,90 € 17,00
including VAT, free delivery
In stock
Samsung Galaxy S25 Kindsuit Back Cover Black Sustainable phone case
Samsung Galaxy S25 Kindsuit Back Cover Black
Second chance like new | Back cover | Size small | Color black
Purchase price € 47,90 € 30,-
including VAT, free delivery
In stock
More Second Chance varieties available
BlueBuilt Protective Back Cover Samsung Galaxy S24 Ultra Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Protective Back Cover Samsung Galaxy S24 Ultra Transparent
Second chance like new | Back cover | Size average | Color transparent
Purchase price € 15,99 € 11,-
including VAT, free delivery
In stock
More Second Chance varieties available
Ordered before tomorrow 23:59, delivered Friday for free
OtterBox Defender Samsung Galaxy A56 Back Cover Black Sustainable phone case
OtterBox Defender Samsung Galaxy A56 Back Cover Black
Second chance like new | Full body case | Size very large | Color black
Purchase price € 31,99 € 23,-
including VAT, free delivery
In stock
Ordered before tomorrow 23:59, delivered Friday for free
BlueBuilt OnePlus 12 Back Cover Black Sustainable phone case
BlueBuilt OnePlus 12 Back Cover Black
Second chance like new | Back cover | Size average | Color black
Purchase price € 13,90 € 10,-
including VAT, free delivery
In stock
More Second Chance varieties available
OtterBox Defender XT iPhone 16 Pro Back Cover with MagSafe Magnet Transparent Black Belt Sustainable phone case
OtterBox Defender XT iPhone 16 Pro Back Cover with MagSafe Magnet Transparent Black Belt
Second Chance with signs of wear | Full body case | Size very large | Color transparent
Purchase price € 30,99 € 25,-
including VAT, free delivery
In stock
More Second Chance varieties available
BlueBuilt Apple iPhone 16 Pro Back Cover Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Apple iPhone 16 Pro Back Cover Transparent
Second Chance with visible damage | Back cover | Size average | Color transparent
Purchase price € 13,99 € 11,-
including VAT, free delivery
In stock
More Second Chance varieties available
Ordered before tomorrow 23:59, delivered Friday for free
Samsung Galaxy S25 Plus Back Cover Transparent Sustainable phone case
Samsung Galaxy S25 Plus Back Cover Transparent
Second chance like new | Back cover | Size small | Color transparent
Purchase price € 28,90 € 19,-
including VAT, free delivery
In stock
More Second Chance varieties available
Samsung Galaxy S25 Ultra Back Cover Transparent Sustainable phone case
Samsung Galaxy S25 Ultra Back Cover Transparent
Second Chance with signs of wear | Back cover | Size small | Color transparent
Purchase price € 28,90 € 19,-
including VAT, free delivery
In stock
More Second Chance varieties available
Samsung Galaxy A56 Silicone Back Cover Black Sustainable phone case
Samsung Galaxy A56 Silicone Back Cover Black
Second chance like new | Back cover | Size small | Color black
Purchase price € 29,90 € 21,-
including VAT, free delivery
In stock
Ordered before tomorrow 23:59, delivered Friday for free
BlueBuilt Apple iPhone 16 Back Cover Transparent Sustainable phone case
Coolblue's Choice
BlueBuilt Apple iPhone 16 Back Cover Transparent
Second Chance with signs of wear | Back cover | Size average | Color transparent
Purchase price € 13,99 € 11,-
including VAT, free delivery
In stock
More Second Chance varieties available
Ordered before tomorrow 23:59, delivered Friday for free
Samsung Galaxy S25 Ultra Back Cover with Magnet Transparent Sustainable phone case
Samsung Galaxy S25 Ultra Back Cover with Magnet Transparent
Second chance like new | Back cover | Size small | Color transparent
Purchase price € 31,90 € 21,-
including VAT, free delivery
In stock
More Second Chance varieties available
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