The BCW Storage Box is the highest quality, most competitively priced cardboard storage box on the market today. They are constructed of white corrugated paper and have a 200 lb. test strength. Use this box to safely and efficiently store and protect your loaded toploaders. Sports fans love these boxes for storing baseball, basketball, football, and hockey cards. Gamers use them to store Magic: the Gathering, Dragon Ball, Pokemon and Yu Gi Oh cards.