Interlochen Cell Phone Card Holder Sale! from $5.99 USD /per Color Black Blue Green Orange Red Produc variants Black - Sold Out Blue - Sold Out Green - Sold Out Orange Red - Sold Out Qty. Add to Cart Couldn't load pickup availability Refresh This convenient silicone ID holder adheres to the back of cell phones with ease, using 3M adhesive. Holds a maximum of 2 cards and is easily removable. 2 1/4"W x 3 3/8"H