The 100 Pack Perfect Fit Card Sleeves are designed for standard-sized cards and feature a clear plastic material for protection. These inner sleeves are ideal for double-sleeving cards, offering a secure fit to ensure the cards stay in place. With dimensions of 8.54x6.65x0.71 inches and a weight of 0.75 pounds, these card sleeves provide a convenient and lightweight storage solution for your trading card collection.