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Show 43 products
Brand
Size of phone case (thickness)
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Material
Fall protection
MagSafe magnet

Coolblue's Choice Sustainable phone cases

The best product for you, according to our customers and experts.

Coolblue's Choice is the best product for you, according to our customers and experts. This product is hardly ever returned, and has the best reviews. You can be sure that you'll be happy with your choice.

43 phone cases
Our choice for a back cover with fall protection for the Apple iPhone 15 | Size average | Color transparent | Plastic
26,99
Delivered tomorrow
  • This sturdy case protects your iPhone from damage in the case of a fall from up to 3m.
  • Thanks to this transparent iPhone case, you can still see the original design of your iPhone 15.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
Our choice for a back cover with fall protection for your iPhone 16 | Size average | Color transparent | Plastic
40,99
Delivered tomorrow
  • This sturdy case protects your iPhone from damage in the case of a fall from up to 3m.
  • Thanks to this transparent case, you can still see the original design of your iPhone 16.
  • This BlueBuilt back cover is the best choice for you if you want to protect your iPhone 16 well.
Our choice for a back cover with MagSafe for the Apple iPhone 15 | Size average | Color transparent | Plastic
31,99
Delivered tomorrow
  • Thanks to the MagSafe magnet in this cover, you can firmly attach MagSafe accessories.
  • Thanks to this transparent case, you can still see the original design and color of your iPhone 15.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
Our choice for a back cover with MagSafe for your iPhone 16 | Size average | Color transparent | Plastic
45,99
Delivered tomorrow
  • Thanks to the MagSafe magnet in this cover, you can firmly attach MagSafe accessories.
  • This sturdy case protects your iPhone from damage in the case of a fall from up to 3m.
  • This BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
Our choice for a back cover with fall protection for your Samsung Galaxy S25 | Size average | Color transparent | Plastic
28,99
Delivered tomorrow
  • This sturdy case prevents fall damage in the case of a fall from up to 3m.
  • Your screen remains free, so you can quickly see the notifications and the time.
  • The BlueBuilt back cover is the best choice for you if you want to protect your smartphone.
Our choice for a standard back cover for your Samsung Galaxy S25 Ultra | Size average | Color black | Plastic
23,99
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • The case is flexible, which makes it easy to put around your smartphone.
  • The BlueBuilt back cover is the best choice for you if you want to protect your smartphone.
BlueBuilt iPhone 16e Back Cover Transparent Sustainable phone case
Coolblue's Choice
 
 
0 reviews
Our choice for a standard back cover for your iPhone 16e | Size average | Color transparent | Plastic
35,99
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • Thanks to this transparent iPhone case, you can still see the original design of your iPhone 16e.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
BlueBuilt Protective Back Cover iPhone 16e Transparent Sustainable phone case
Coolblue's Choice
 
 
Our choice for a back cover with fall protection for your iPhone 16e | Size average | Color transparent | Plastic, Polycarbonate
40,99
Sold out online
  • This sturdy case protects your iPhone from damage in the case of a fall from up to 3m.
  • Thanks to this transparent iPhone case, you can still see the original design of your iPhone 16e.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
Our choice for a back cover with MagSafe for your iPhone 16 Pro | Size average | Color transparent | Plastic
45,99
Delivered tomorrow
  • Thanks to the MagSafe magnet in this cover, you can firmly attach MagSafe accessories.
  • This sturdy case protects your iPhone 16 Pro from damage in the case of a fall from up to 3m.
  • This BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
Our choice for a back cover with fall protection for your Samsung Galaxy S25 Ultra | Size average | Color transparent | Plastic
28,99
Delivered tomorrow
  • This sturdy case prevents fall damage in the case of a fall from up to 3m.
  • Your screen remains free, so you can quickly see the notifications and the time.
  • The BlueBuilt back cover is the best choice for you if you want to protect your smartphone.
Our choice for a back cover with MagSafe for the Apple iPhone 15 Pro | Size average | Color transparent | Plastic
26,99
Delivered tomorrow
  • Thanks to the MagSafe magnet in this cover, you can firmly attach MagSafe accessories.
  • Thanks to this transparent case, you can still see the original design and color of your iPhone 15 Pro.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
0 reviews
Our choice for a standard back cover for the Samsung Galaxy S25 | Size average | Color black | Plastic
23,99
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • The case is flexible, which makes it easy to put around your smartphone.
  • The BlueBuilt back cover is the best choice for you if you want to protect your smartphone.
Our choice for a back cover with fall protection for your iPhone 16 Pro | Size average | Color transparent | Plastic
40,99
Delivered tomorrow
  • This sturdy case protects your iPhone from damage in the case of a fall from up to 3m.
  • Thanks to this transparent case, you can still see the original design of your iPhone 16 Pro.
  • This BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
Our choice for a back cover with magnet for your Samsung Galaxy S25 Ultra | Size average | Color transparent | Plastic
45,99
Delivered tomorrow
  • Thanks to the magnet in this cover, you can firmly attach magnetic accessories.
  • Thanks to this transparent case, you can still see the original design and the color of your S25 Ultra.
  • The BlueBuilt back cover is the best choice for you if you want to protect your smartphone.
Samsung Galaxy S25 Kindsuit Back Cover Black Sustainable phone case
Coolblue's Choice
 
 
0 reviews
Our choice for a standard back cover for the Samsung Galaxy S25 | Size small | Color black | Plastic
60,-
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • The case is flexible, which makes it easy to put around your smartphone.
  • The Samsung back cover is the best choice for you if you want to protect your smartphone.
Our choice for a back cover with MagSafe for your iPhone 16 Pro Max | Size average | Color transparent | Plastic
45,99
Delivered tomorrow
  • Thanks to the MagSafe magnet in this cover, you can firmly attach MagSafe accessories.
  • This sturdy case protects your iPhone 16 Pro Max from damage in the case of a fall from up to 3m.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
Our choice for a back cover with fall protection for the Apple iPhone 15 Pro Max | Size average | Color transparent | Plastic
23,99
Delivered tomorrow
  • This sturdy case protects your iPhone from damage in the case of a fall from up to 3m.
  • Thanks to this transparent case, you can still see the original design and the color of your iPhone 15 Pro Max.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
Our choice for a back cover with fall protection for the Apple iPhone 15 Pro | Size average | Color transparent | Plastic
23,99
Delivered tomorrow
  • This sturdy case protects your iPhone from damage in the case of a fall from up to 3m.
  • Thanks to this transparent case, you can still see the original design and the color of your iPhone Pro.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
0 reviews
Our choice for a standard back cover for the Apple iPhone 15 | Size average | Color transparent | Plastic
21,99
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • Thanks to this transparent iPhone case, you can still see the original design of your iPhone 15.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
Our choice for a back cover with fall protection for your iPhone 16 Plus | Size average | Color transparent | Plastic
40,99
Delivered tomorrow
  • This sturdy case protects your iPhone from damage in the case of a fall from up to 3m.
  • Thanks to this transparent case, you can still see the original design of your iPhone 16 Plus.
  • This BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
0 reviews
Our choice for Our choice for a standard back cover for your iPhone 16 Pro Max | Size average | Color transparent | Plastic
40,99
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • Thanks to this transparent case, you can still see the original design of your iPhone 16 Pro Max.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
Samsung Galaxy Z Fold 7 Silicone Back Cover Black Sustainable phone case
Coolblue's Choice
 
 
Our choice for a standard back cover for the Samsung Z Fold 7 | Size small | Color black | Plastic
70,-
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • You protect your Fold 7 on all sides if you fold your smartphone.
  • The Samsung back cover is the best choice for you if you want to protect your Fold 7.
Samsung Galaxy Z Flip 7 Kindsuit Back Cover Black Sustainable phone case
Coolblue's Choice
 
 
0 reviews
Our choice for Our choice for a standard back cover for the Samsung Z Flip 7 | Size small | Color black | Plastic
90,-
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • You protect your Flip 7 on all sides if you fold your smartphone.
  • The Samsung back cover is the best choice for you if you want to protect your Flip 7.
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