You can protect your smartphone from scratches, bumps, and dirt with a BlueBuilt case. There are different types of cases. A back cover looks sleek, but it doesn't protect the screen of your smartphone. A book case does do this, but you need to flip over the front flap to use the screen. Do you want a book case that looks nicer as time goes on? Choose a leather version. Do you want a print? Both soft case and card case back covers come with nice prints. If you have an Apple iPhone with MagSafe, there's a version with MagSafe for you. Thanks to the MagSafe magnet, you accessories like a wireless charger or card holder stay in place.

  • Everything from BlueBuilt
BlueBuilt Protective Back Cover iPhone 17e/16e Transparent
BlueBuilt
BlueBuilt
BlueBuilt Protective Back Cover iPhone 17e/16e Transparent
Our choice for a back cover with fall protection for your iPhone 17e or 16e|Flexible|None magnet closure|Sustainable
  • 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.

34,99

Delivered tomorrow

Affordable Second Chance

from

19,-

BlueBuilt
BlueBuilt Protective Back Cover iPhone 15 Transparent
Our choice for a back cover with fall protection for the Apple iPhone 15|None flexible|None magnet closure|Average
  • 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.

34,99

Delivered tomorrow

BlueBuilt
BlueBuilt Protective Back Cover iPhone 16 Transparent
Our choice for a back cover with fall protection for your iPhone 16|None flexible|None magnet closure|Sustainable
  • 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.

34,99

Delivered tomorrow

Affordable Second Chance

from

17,-

BlueBuilt
BlueBuilt Protective Back Cover with MagSafe iPhone 15 Transparent
Our choice for a back cover with MagSafe for the Apple iPhone 15|None flexible|None magnet closure|Average
  • 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.

39,99

Delivered tomorrow

BlueBuilt iPhone 17e/16e Back Cover Transparent
BlueBuilt
BlueBuilt
BlueBuilt iPhone 17e/16e Back Cover Transparent
Our choice for a standard back cover for your iPhone 17e or 16e|Flexible|None magnet closure|Sustainable
  • 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.

19,99

Delivered tomorrow

BlueBuilt
BlueBuilt Protective Back Cover iPhone 13 Transparent
Our choice for a back cover with fall protection for the iPhone 13|None flexible|None magnet closure|Thick
  • This sturdy case prevents fall 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.
  • The BlueBuilt back cover is the best choice for you if you want to protect your iPhone.

31,99

Delivered tomorrow

Affordable Second Chance

from

18,-

BlueBuilt
BlueBuilt Soft Case Apple iPhone 13 Mini Back cover Black
Our choice for a standard back cover for the iPhone 13 Mini|Flexible|None magnet closure|Thin
  • 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.

19,99

Delivered tomorrow

BlueBuilt
BlueBuilt Protective Back Cover with MagSafe iPhone 16 Transparent
Our choice for a back cover with MagSafe for your iPhone 16|None flexible|None magnet closure|Sustainable
  • 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.

39,99

Delivered tomorrow

BlueBuilt
BlueBuilt Protective Back Cover with MagSafe iPhone 16 Pro Transparent
Our choice for a back cover with MagSafe for your iPhone 16 Pro|None flexible|None magnet closure|Sustainable
  • 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.

36,99

Delivered tomorrow

Affordable Second Chance

from

19,-

BlueBuilt Samsung Galaxy S26 Back Cover Black
BlueBuilt
Our choice for a standard back cover for your Samsung Galaxy S26|Flexible|None magnet closure|Sustainable
  • The back cover protects your smartphone from damage.
  • Your screen remains free, so you can quickly see the notifications and the time.

29,99

Delivered tomorrow

BlueBuilt Protective Back Cover with MagSafe Apple iPhone 14 Transparent
BlueBuilt
BlueBuilt
BlueBuilt Protective Back Cover with MagSafe Apple iPhone 14 Transparent
Our choice for a back cover with MagSafe for the iPhone 14|None flexible|None magnet closure|None Pattern / print
  • 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.

36,99

Delivered tomorrow

BlueBuilt Protective Back Cover with MagSafe Apple iPhone 13 Transparent
BlueBuilt
BlueBuilt
BlueBuilt Protective Back Cover with MagSafe Apple iPhone 13 Transparent
Our choice for a back cover with MagSafe for the iPhone 13|None flexible|None magnet closure|None Pattern / print
  • 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.

36,99

Delivered tomorrow

Affordable Second Chance

from

21,-

BlueBuilt
BlueBuilt Samsung Galaxy S25 Book Case Black
Our choice for a book case for your Samsung Galaxy S25|None flexible|Magnet closure|None sustainable
  • This book case protects both the front and back of your smartphone.
  • You can easily take cards or cash with you in the book case.
  • The BlueBuilt book case is the best choice for you if you want to protect your smartphone.

41,99

Delivered tomorrow

BlueBuilt
BlueBuilt Apple iPhone 16 Back Cover Transparent
Our choice for a standard back cover for your iPhone 16|Flexible|None magnet closure|Sustainable
  • 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 16.
  • This BlueBuilt back cover is the best choice for you if you want to protect your iPhone.

14,99

Delivered tomorrow

BlueBuilt Protective Back Cover Samsung Galaxy S26 Plus Transparent
BlueBuilt
Our choice for a back cover with fall protection for your Samsung Galaxy S26 Plus|None flexible|None magnet closure|Sustainable
  • 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.

39,99

Delivered tomorrow

BlueBuilt Samsung Galaxy S26 Book Case Black
BlueBuilt
Our choice for a book case for your Samsung Galaxy S26|None flexible|Magnet closure|None sustainable
  • This book case protects both the front and back of your smartphone.
  • You can easily take cards or cash with you in the book case.
  • Use the front flap as a stand while watching a video.

41,99

Delivered tomorrow

BlueBuilt
BlueBuilt Apple iPhone 16 Book Case Leather Black
Our choice for a leather book case for your iPhone 16|None flexible|Magnet closure|None sustainable
  • This book case protects both the front and back of your iPhone.
  • You can easily take cards or cash with you in the book case.
  • The BlueBuilt book case is the best choice for you if you want to protect your iPhone.

36,99

Delivered tomorrow

BlueBuilt Protective Back Cover Samsung Galaxy S26 Transparent
BlueBuilt
BlueBuilt
BlueBuilt Protective Back Cover Samsung Galaxy S26 Transparent
Our choice for a back cover with fall protection for your Samsung Galaxy S26|None flexible|None magnet closure|Sustainable
  • 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.

39,99

Delivered tomorrow

BlueBuilt Samsung Galaxy S26 Ultra Back Cover Black
BlueBuilt
Our choice for a standard back cover for your Samsung Galaxy S26 Ultra|Flexible|None magnet closure|Sustainable
  • The back cover protects your smartphone from damage.
  • Your screen remains free, so you can quickly see the notifications and the time.

29,99

Delivered tomorrow

Affordable Second Chance

from

14,-

BlueBuilt Protective Back Cover with Magnet Galaxy S26 Ultra Transparent
BlueBuilt
BlueBuilt
BlueBuilt Protective Back Cover with Magnet Galaxy S26 Ultra Transparent
Our choice for a back cover with magnet for your Samsung Galaxy S26 Ultra|None flexible|None magnet closure|Sustainable
  • 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.

44,99

Delivered tomorrow

BlueBuilt
BlueBuilt Protective Back Cover iPhone 14 Transparent
Our choice for a back cover with fall protection for the iPhone 14|None flexible|None magnet closure|Thick
  • This sturdy case protects your smartphone 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.
  • The BlueBuilt back cover is the best choice for you if you want to protect your smartphone.

31,99

Delivered tomorrow

BlueBuilt Samsung Galaxy S26 Plus Book Case Black
BlueBuilt
Our choice for a book case for your Samsung Galaxy S26 Plus|None flexible|Magnet closure|None sustainable
  • This book case protects both the front and back of your smartphone.
  • You can easily take cards or cash with you in the book case.
  • Use the front flap as a stand while watching a video.

41,99

Delivered tomorrow