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Show 46 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.

46 phone cases
Our choice for a back cover with fall protection for the Apple iPhone 15 | Color transparent | Plastic | Fall protection
31,99
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.
BlueBuilt Protective Back Cover iPhone 17e/16e Transparent Sustainable phone case
Coolblue's Choice
 
 
Our choice for a back cover with fall protection for your iPhone 16e | Color transparent | Plastic, Polycarbonate | Fall protection
31,99
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 17e or 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 the Apple iPhone 15 | Color transparent | Plastic | Fall protection
36,99
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 fall protection for your iPhone 16 | Color transparent | Plastic | Fall protection
31,99
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 your iPhone 16 | Color transparent | Plastic | Fall protection
36,99
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 | Color transparent | Plastic | Fall protection
36,99
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 your iPhone 16 Pro | Color transparent | Plastic | Fall protection
36,99
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 iPhone 16 Plus | Color transparent | Plastic | Fall protection
31,99
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.
BlueBuilt iPhone 17e/16e Back Cover Transparent Sustainable phone case
Coolblue's Choice
 
 
Our choice for a standard back cover for your iPhone 17e or 16e | Color transparent | Plastic | None fall protection
26,99
Sold out online
  • 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 17e or 16e.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
BlueBuilt Samsung Galaxy S26 Back Cover Black Sustainable phone case
Coolblue's Choice
 
 
0 reviews
Our choice for a standard back cover for your Samsung Galaxy S26 | Color black | Plastic | None fall protection
31,99
Delivered tomorrow
  • The back cover protects your smartphone from damage.
  • Your screen remains free, so you can quickly see the notifications and the time.
Our choice for a standard back cover for the Apple iPhone 15 Pro Max | Color transparent | Plastic | None fall protection
26,99
Sold out online
  • 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 Pro Max.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
BlueBuilt Protective Back Cover Samsung Galaxy S26 Ultra Transparent Sustainable phone case
Coolblue's Choice
 
 
0 reviews
Our choice for a back cover with fall protection for your Samsung Galaxy S26 Ultra | Color transparent | Plastic | Fall protection
36,99
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.
  • Thanks to this transparent case, you can still see the original design and the color of your S26 Ultra.
BlueBuilt Protective Back Cover Samsung Galaxy S26 Plus Transparent Sustainable phone case
Coolblue's Choice
 
 
0 reviews
Our choice for a back cover with fall protection for your Samsung Galaxy S26 Plus | Color transparent | Plastic | Fall protection
36,99
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.
  • Thanks to this transparent case, you can still see the original design and the color of your S26 Plus.
Our choice for a standard back cover for your Samsung Galaxy S25 Plus | Color black | Plastic | None fall protection
31,99
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.
0 reviews
Our choice for a standard back cover for the Samsung Galaxy S25 | Color black | Plastic | None fall protection
31,99
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 MagSafe for your iPhone 16 Pro Max | Color transparent | Plastic | Fall protection
36,99
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.
BlueBuilt Protective Back Cover Samsung Galaxy S26 Transparent Sustainable phone case
Coolblue's Choice
 
 
Our choice for a back cover with fall protection for your Samsung Galaxy S26 | Color transparent | Plastic | Fall protection
36,99
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.
  • Thanks to this transparent case, you can still see the original design and the color of your S26.
Our choice for a back cover with fall protection for your Samsung Galaxy S25 Ultra | Color transparent | Plastic | Fall protection
36,99
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 fall protection for your iPhone 16 Pro | Color transparent | Plastic | Fall protection
31,99
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.
BlueBuilt Protective Back Cover with Magnet Galaxy S26 Transparent Sustainable phone case
Coolblue's Choice
 
 
0 reviews
Our choice for a back cover with magnet for your Samsung Galaxy S26 | Color transparent | Plastic | Fall protection
41,99
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 S26.
  • The case protects your smartphone from damage.
Our choice for a back cover with fall protection for your Samsung Galaxy S25 Plus | Color transparent | Plastic | Fall protection
36,99
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.
BlueBuilt Protective Back Cover with Magnet Galaxy S26 Ultra Transparent Sustainable phone case
Coolblue's Choice
 
 
Our choice for a back cover with magnet for your Samsung Galaxy S26 Ultra | Color transparent | Plastic | Fall protection
41,99
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 S26 Ultra.
  • The case protects your smartphone from damage.
Our choice for a standard back cover for your iPhone 16 Plus | Color transparent | Plastic | None fall protection
26,99
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 Plus.
  • This BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
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