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.
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.
€ 29,99
including VAT, free delivery
Delivered tomorrow
Our choice for a book case for your Samsung Galaxy S26 Ultra|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.
Retail price
€ 34,99€ 31,99
including VAT, free delivery
Delivered tomorrow
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.
€ 24,99
including VAT, free delivery
Delivered tomorrow
Our choice for a back cover with fall protection for your Samsung Galaxy S26 Ultra|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 Ultra.
€ 34,99
including VAT, free delivery
Delivered tomorrow
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.
Retail price
€ 34,99€ 31,99
including VAT, free delivery
Delivered tomorrow
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
including VAT, free delivery
Delivered tomorrow
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.
€ 31,99
including VAT, free delivery
Delivered tomorrow
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.
€ 24,99
including VAT, free delivery
Delivered tomorrow
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.
€ 14,99
including VAT, free delivery
Delivered tomorrow
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.
Retail price
€ 39,99€ 34,99
including VAT, free delivery
Delivered tomorrow
Our choice for a standard back cover for the Samsung Galaxy S25|Flexible|None magnet closure|Sustainable
- 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.
€ 14,99
including VAT, free delivery
Temporarily sold out
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
including VAT, free delivery
Delivered tomorrow
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.
€ 24,99
including VAT, free delivery
Delivered tomorrow
Our choice for a standard back cover for your Samsung Galaxy S26 Plus|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.
€ 24,99
including VAT, free delivery
Delivered tomorrow
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.
€ 26,99
including VAT, free delivery
Delivered tomorrow
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
including VAT, free delivery
Delivered tomorrow
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.
€ 26,99
including VAT, free delivery
Delivered tomorrow
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.
Retail price
€ 34,99€ 31,99
including VAT, free delivery
Delivered tomorrow
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.
€ 19,99
including VAT, free delivery
Delivered tomorrow
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
including VAT, free delivery
Delivered tomorrow
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
including VAT, free delivery
Delivered tomorrow
Our choice for a back cover with fall protection for your iPhone 16 Pro|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 Pro.
- This BlueBuilt back cover is the best choice for you if you want to protect your iPhone.
€ 31,99
including VAT, free delivery
Delivered tomorrow
