StoreSMART&reg; - Business Card Holders - Non-Adhesive - Vinyl Plastic - Open Long Side - 10 Pack - PE222L-10 Front is crafted of 7 1/2-gauge crystal clear vinyl. Back is crafter of 12-14-gauge solid vinyl. Overall size: 2 7/16" x 3 13/16". Inside capacity: 2 1/16" x 3 7/16" (will hold 5 business cards). Opens on the long side with a 1/4" lip.