Fits 1-3 pcs of credit card or driver's license sized cards.PERFECT SIZE FOR AVERY 5390 / 05390 & THE STRONGEST AND THICKEST ID HOLDER - Card Fit Size (Inside) of HORIZONTAL ID Holder is 2.4"(height) x 3.75"(length), Compatible with Avery Name Badge Inserts 5390 / 05390 (2-1/4 x 3-1/2 Inches). Comfortably fit 3 credit-cards or driver's license. The thickness of our ID holders is 0.30mm. It is strongest and thickest in Amazon.WATERPROOF with SEAL-LOCK to KEEP CONTENTS SECURE and DRY .The ID holder pouch is handy to hold other small articles, like hotel room card, key, small change and entry passes.PERFECT SIZE FOR AVERY 5390 / 05390 & THE STRONGEST AND THICKEST ID HOLDER - Card Fit Size (Inside) of HORIZONTAL ID Holder is 2.4"(height) x 3.75"(length), Compatible with Avery Name Badge Inserts 5390 / 05390 (2-1/4 x 3-1/2 Inches). Comfortably fit 3 credit-cards or driver's license. The thickness of our ID holders is 0.30mm. It is strongest and thickest in Amazon.WATERPROOF, DURABLE, REUSABLE, RESEALABLE: ID & Name card holder pouch is made of flexible, clear, waterproof, and tear resistant. Keep your Name tags, RFID badge, bus card, passes, hotel keys, your credit cards and employee badges SAFE, SECURE and DRY. Unlike other ID holders, our zip lock makes sure to keep everything dry and keep you worry free. No more worries about holes and tears caused by pins and clips.