On the walk, in the office and of course at the beach, in short, wherever you can't take your wallet with you.
Compatible with all mobile phones
It is completely non-fading silicone material with its strap and cover.
Thanks to its clip, you can replace the silicone strap with any other hanging cord of your choice. 
There is a card holder on the back. This card holder is the size of a credit card. It can hold your credit card, ID, entry cards. You can safely place 3 to 4 cards depending on its thinness.