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Show 61 products
Type of phone case
Level of protection
Size of phone case (thickness)
Color
Material
Fall protection
MagSafe magnet

Coolblue's Choice BlueBuilt 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.

61 phone cases
Our choice for a back cover with fall protection for the Apple iPhone 15 | Back cover | Size average | Color transparent
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 | Back cover | Size average | Color transparent
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 | Back cover | Size average | Color transparent
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 book case for your Samsung Galaxy S25 Ultra | Book case | Size large | Color black
33,99
Delivered tomorrow
  • 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.
Our choice for a standard back cover for your Samsung Galaxy S25 Ultra | Back cover | Size average | Color black
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 MagSafe for your iPhone 16 | Back cover | Size average | Color transparent
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 | Back cover | Size average | Color transparent
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.
BlueBuilt Protective Back Cover iPhone 16e Transparent BlueBuilt phone case
Coolblue's Choice
 
 
Our choice for a back cover with fall protection for your iPhone 16e | Back cover | Size average | Color transparent
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 fall protection for your Samsung Galaxy S25 Ultra | Back cover | Size average | Color transparent
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.
BlueBuilt Protective Back Cover with MagSafe Apple iPhone 13 Transparent BlueBuilt phone case
Coolblue's Choice
 
 
Our choice for a back cover with MagSafe for the iPhone 13 | Back cover | Size average | Color transparent
26,99
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 leather book case for your iPhone 16 | Book case | Size average | Color black
51,-
Delivered tomorrow
  • 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.
BlueBuilt iPhone 16e Back Cover Transparent BlueBuilt phone case
Coolblue's Choice
 
 
0 reviews
Our choice for a standard back cover for your iPhone 16e | Back cover | Size average | Color transparent
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.
Our choice for a book case for your Samsung Galaxy S25 | Book case | Size large | Color black
33,99
Sold out online
  • 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.
Our choice for a back cover with MagSafe for the Apple iPhone 15 Pro | Back cover | Size average | Color transparent
26,99
Sold out online
  • 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.
Our choice for a back cover with MagSafe for your iPhone 16 Pro | Back cover | Size average | Color transparent
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.
0 reviews
Our choice for a standard back cover for the Samsung Galaxy S25 | Back cover | Size average | Color black
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 the iPhone 13 | Back cover | Size average | Color transparent
23,99
Delivered tomorrow
  • 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.
Our choice for a standard back cover for the iPhone 13 Mini | Back cover | Protection quality standard | Size average
21,99
Sold out online
  • 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 your iPhone 16 Pro | Back cover | Size average | Color transparent
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 | Back cover | Size average | Color transparent
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.
Our choice for a back cover with MagSafe for your iPhone 16 Pro Max | Back cover | Size average | Color transparent
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.
0 reviews
Our choice for a standard back cover for the iPhone Xr | Back cover | Protection quality standard | Size average
16,99
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.
  • This 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 iPhone 14 | Back cover | Size average | Color transparent
23,99
Delivered tomorrow
  • 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.
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