Card Caddy Phone Wallet. Black, silicone, 3-3/4" x 2-1/4" x 1/8". A two-in-one silicone phone pouch fits credit cards, IDs, or cash and also features a removable microfiber screen cleaner. Secure Card Caddy to the back of your device with the 3M adhesive. 3M adhesive insures the wallet will not detach and when removed, it leaves no residue.