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Show 63 products
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Type of phone case
Fall protection
Thickness phone case
MagSafe magnet
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Sustainable phone cases
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Second Chance

Coolblue's Choice BlueBuilt 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.

63 phone cases
0 reviews
Our choice for a standard back cover for the Apple iPhone 15 | Apple iPhone 15 | Back cover | None fall protection
31,99
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 magnet for your Samsung Galaxy S25 Ultra | Samsung Galaxy S25 Ultra | Back cover | Fall protection
39,99
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.
BlueBuilt Soft Case Samsung Galaxy A54 Back Cover Transparent BlueBuilt phone case
Coolblue's Choice
 
 
Our choice for a standard back cover for the Samsung Galaxy A54 | Samsung Galaxy A54 | Back cover | None fall protection
12,99
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • Thanks to this transparent smartphone case, you can still see the original design of 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 | Apple iPhone 16 Pro Max | Back cover | Fall protection
39,99
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 your iPhone 16 Plus | Apple iPhone 16 Plus | Back cover | Fall protection
34,99
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.
Our choice for a standard back cover for the iPhone 13 Mini | Apple iPhone 13 Mini | Back cover | None fall protection
31,99
Delivered tomorrow
  • Thanks to the combination of the above properties, this BlueBuilt Back Cover is Coolblue's Choice.
  • 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 the Apple iPhone 15 Pro | Apple iPhone 15 Pro | Back cover | Fall protection
33,99
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.
BlueBuilt Protective Back Cover with MagSafe Apple iPhone 14 Transparent BlueBuilt phone case
Coolblue's Choice
 
 
Our choice for a back cover with MagSafe for the iPhone 14 | Apple iPhone 14 | Back cover | Fall protection
46,99
Delivered tomorrow
  • Thanks to the MagSafe magnet in the cover, you can firmly attach MagSafe accessories.
  • This sturdy case prevents fall 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 smartphone.
Our choice for a standard back cover for the Apple iPhone 15 Pro | Apple iPhone 15 Pro | Back cover | None fall protection
31,99
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • With this thin case, your iPhone still fits in your bag or pocket.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
0 reviews
Our choice for a back cover with MagSafe for your iPhone 16 Plus | Apple iPhone 16 Plus | Back cover | Fall protection
39,99
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 16 Plus well.
Our choice for a standard back cover for the iPhone 11 | Apple iPhone 11 | Back cover | None fall protection
26,99
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • With this thin case, your smartphone still fits in your bag or pocket.
  • The BlueBuilt back cover is the best choice for you if you want to protect your smartphone.
Our choice for a book case for the Samsung Galaxy A55 | Samsung Galaxy A55 | Book case | None fall protection
19,99
Delivered tomorrow
  • This case protects the front and back of your smartphone.
  • You can easily take cards or cash with you in the book case.
  • This BlueBuilt book case is the best choice for you if you want to protect your smartphone.
Our choice for a back cover with fall protection for the Apple iPhone 15 Pro Max | Apple iPhone 15 Pro Max | Back cover | Fall protection
33,99
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 MagSafe for the Apple iPhone 15 Plus | Apple iPhone 15 Plus | Back cover | Fall protection
41,99
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 Plus.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
BlueBuilt Soft Case Samsung Galaxy S23 Back Cover Transparent BlueBuilt phone case
Coolblue's Choice
 
 
Our choice for a standard back cover for the Samsung Galaxy S23 | Samsung Galaxy S23 | Back cover | None fall protection
12,99
No longer available
  • Your screen remains free, so you can quickly see the notifications and the time.
  • Thanks to this transparent smartphone case, you can still see the original design of your smartphone.
  • The BlueBuilt back cover is the best choice for you if you want to protect your smartphone.
BlueBuilt Protective Back Cover Samsung Galaxy A55 Transparent BlueBuilt phone case
Coolblue's Choice
 
 
Our choice for a back cover with fall protection for the Samsung Galaxy A55 | Samsung Galaxy A55 | Back cover | Fall protection
23,99
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.
  • This BlueBuilt back cover is the best choice for you if you want to protect your smartphone.
Our choice for a back cover with magnet for your Samsung Galaxy S25 Plus | Samsung Galaxy S25 Plus | Back cover | Fall protection
39,99
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 Plus.
  • 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 the iPhone 13 | Apple iPhone 13 | Back cover | None fall protection
31,99
Delivered tomorrow
  • Thanks to the combination of the above properties, this BlueBuilt Back Cover is Coolblue's Choice.
  • Thanks to this transparent case, you can still see the original design and the color of your iPhone.
  • 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 Samsung Galaxy S25 Plus | Samsung Galaxy S25 Plus | Back cover | Fall protection
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 the iPhone 13 Pro Max | Apple iPhone 13 Pro Max | Back cover | None fall protection
31,99
Delivered tomorrow
  • Your screen remains free, so you can quickly see the notifications and the time.
  • With this thin case, your smartphone still fits in your bag or pocket.
  • 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 the iPhone 12 Mini | Apple iPhone 12 Mini | Back cover | None fall protection
26,99
Delivered tomorrow
  • Thanks to the combination of the above properties, this BlueBuilt Back Cover is Coolblue's Choice.
  • The case is transparent, so you can see the original design of your iPhone.
  • The BlueBuilt back cover is the best choice for you if you want to protect your smartphone.
BlueBuilt Protective Back Cover Samsung Galaxy S23 FE Transparent BlueBuilt phone case
Coolblue's Choice
 
 
Our choice for a back cover with fall protection for the Samsung Galaxy S23 FE | Samsung Galaxy S23 FE | Back cover | Fall protection
19,99
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.
0 reviews
Our choice for Our choice for a standard back cover for your iPhone 16 Pro Max | Apple iPhone 16 Pro Max | Back cover | None fall protection
34,99
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.
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