With a BlueBuilt case, you protect your smartphone from scratches and dents. BlueBuilt cases come in all colors, sizes, and shapes. Choose a book case, for example. The front flap of a book case has room for your cards and protects the screen of your smartphone. Would you rather keep your screen free? Choose a back cover. Back covers only protect the sides and back of your device. We give an extra long 5-year warranty on our BlueBuilt phone cases.
Our choice for a back cover with fall protection for your iPhone 17e or 16e|Flexible|Sustainable|None MagSafe magnet
- 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.
36,99
In stock
Our choice for a back cover with fall protection for the Apple iPhone 15|None flexible|Average|None Pattern / print
- 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.
36,99
In stock
Our choice for a standard back cover for your iPhone 17e or 16e|Flexible|Sustainable|None MagSafe magnet
- 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.
31,99
In stock
Our choice for a back cover with fall protection for your iPhone 16|None flexible|Sustainable|None MagSafe magnet
- 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.
36,99
In stock
Our choice for a back cover with MagSafe for your iPhone 16|None flexible|Sustainable|MagSafe magnet
- 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.
41,99
In stock
Our choice for a back cover with MagSafe for the Apple iPhone 15|None flexible|Average|None Pattern / print
- 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.
41,99
In stock
Our choice for a back cover with MagSafe for your iPhone 16 Pro|None flexible|Sustainable|MagSafe magnet
- 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.
41,99
In stock
Our choice for a back cover with fall protection for your Samsung Galaxy S26|None flexible|Sustainable|None MagSafe magnet
- 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.
44,99
In stock
Our choice for a book case for your Samsung Galaxy S26|None flexible|None sustainable|None MagSafe magnet
- 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.
46,99
In stock
Our choice for a standard back cover for your Samsung Galaxy S26|Flexible|Sustainable|None MagSafe magnet
- The back cover protects your smartphone from damage.
- Your screen remains free, so you can quickly see the notifications and the time.
39,99
In stock
Our choice for a back cover with MagSafe for the iPhone 13|None flexible|None Pattern / print|None sustainable
- 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.
41,99
In stock
Our choice for a standard back cover for the iPhone SE 2022 / SE 2020 / 8 / 7|Flexible|Thin|None Pattern / print
- 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.
31,99
In stock
Our choice for a book case for your Samsung Galaxy S26 Ultra|None flexible|None sustainable|None MagSafe magnet
- 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.
46,99
In stock
Our choice for a back cover with magnet for your Samsung Galaxy S26|None flexible|Sustainable|MagSafe magnet
- 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.
49,99
In stock
Our choice for a back cover with fall protection for the iPhone 13|None flexible|Thick|None Pattern / print
- 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.
36,99
In stock
Our choice for a back cover with magnet for your Samsung Galaxy S26 Ultra|None flexible|Sustainable|MagSafe magnet
- 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.
49,99
In stock
Our choice for a standard back cover for your Samsung Galaxy S26 Ultra|Flexible|Sustainable|None MagSafe magnet
- The back cover protects your smartphone from damage.
- Your screen remains free, so you can quickly see the notifications and the time.
39,99
In stock
Our choice for a back cover with fall protection for your Samsung Galaxy S26 Ultra|None flexible|Sustainable|None MagSafe magnet
- 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.
44,99
In stock
Our choice for a book case for your Samsung Galaxy S26 Plus|None flexible|None sustainable|None MagSafe magnet
- 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.
46,99
In stock
Our choice for a back cover with fall protection for the iPhone 14|None flexible|Thick|None Pattern / print
- 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.
36,99
In stock
Our choice for a standard back cover for your iPhone 16|Flexible|Sustainable|None MagSafe magnet
- 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.
31,99
In stock
Our choice for a book case for your Samsung Galaxy S25|None flexible|None sustainable|None MagSafe magnet
- 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.
46,99
In stock