These 40 Pcs Single Pocket Coin Sleeves are square-shaped plastic holders with dimensions of 2.16 inches x 2.16 inches x 0.02 inches. Made of PVC material, these transparent coin holders are ideal for organizing and storing coins. Each sleeve is designed to hold one centiliter of coins and are waterproof, making them suitable for keeping your collection protected and safe. These antique-style holders come in a bagged packaging, making them convenient to use and store. The product does not require any batteries and has a weight of 2.89 ounces