Material: Cardboard Size: W80 x H200 x D1.5mm (Perforation is at the H100 section) The center has a perforation, allowing for easy folding and separation. Please note that the band will be removed for shipping. Perfect for trading card mail order!! [For shipping trading cards on flea market apps] Great for packing trading cards on flea market apps and auctions! No need to make your own reinforcement boards for trading cards, making packing quick and easy. Please give it a try.