This is it! The NEXT GENERATION top loaders for the ultimate in card protection. CBG 2nd Generation top loaders provide SUPERIOR protection compared to products on the market today. - Crystal Clear - Made of High Impact Next Generation Rigid PVC The Cardboard Gold 3x4 Top-Load for Jersey/Insert sports trading cards is made from inert rigid plastic that is super clear but strong and durable. The 7mm opening is made for 240 point thick cards. 5 per retail package.