StoreSMART - Peel & Stick Business Card Holder - Open Short Side - Archival Plastic - 100-Pack - RP8033-100 Front is crafted of crystal clear polypropylene Back is crafted of crystal clear permanent adhesive Overall size: 2 7/16" x 3 13/16" Inside capacity: 2" x 3 1/2" (will hold 5 business cards). Opens on the short side with a 1/4" lip and thumb-notch on the closed short side.