The BCW TCG 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 store and protect bulk TCG cards like: Magic The Gathering, Yu-Gi-Oh, Pokemon, and others.. Holds about 1000 unsleeved gaming cards Holds about 550 sleeved gaming cards Also holds about 640 standard 20pt trading cards Measurements Exterior Dimensions (WxHxD): 13 1/2 x 3 x 4 1/8 Interior Dimensions (WxHxD): 12 3/4 x 2 3/4 x 3 3/4.