The product is waterproof, which can better protect your cards. The product is resealable due to the zipper design. Made of the flame retardant PVC material, the product is durable, flexible, and waterproof. The length of the product is 11.3cm, the width is 9.3cm, and the height is 1.5cm. It is suitable for badges, ID cards, name cards, record cards, or other cards with suitable size. Item Name: ID Card Holder Material: Flame Retardant PVC Size Details: Card Holder: 11.3cmx9.3cmx1.5cm/4.45"x3.66"x0.59"(Approx.) Compatible Card: 10cmx7cm/3.94"x2.76"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 10 x Card Holders(Not Include Others)