MIAODAM Card Protectors are good looking and match great with your clothes. These Resealable Zips are really nice, waterproof sealing treatment, easy to open and close.The 4.53X3.94 in Immunization Vaccination Card Protector/badge holder is made with top quality PVC (Polyvinyl Chloride) material for professional use. Durable and tear resistant pvc material . Perfect size for a vaccination card protector, go shopping, trade show, conference or at airlines to display vaccination card for quick entry. Barcodes also can be scanned through the PVC material by any scanner reader. It won't damage the clothes when caught on the clothes, show your ID photo directly or important card,Just do it as the way you like. The size of the card holder is suitable for most card sizes, light and simple, and easy to carry. PVC material, wear-resistant and waterproof, sealable transparent card bag, multi-purpose use. If you have any questions, please feel free to contact us. We will serve you within 24 hours.