horizontal shed shelf kit resin shelf offers an additional 50 lbs. of storage capacity and can be combined with up to three additional shelves (sold separately) to maximize storage space in your shed. compatible with: bms5725, bms5700, bms5700sb, bms2525, bms2500, bms2500sb, & bms3400, main color: black, product dimensions: exterior size: 10.25 in. d x 50 in. w x 1.25 in. h, shelf weight capacity: 50 lbs. per shelf, packaging dimensions: 10.5 in. l x 50 in. w x 2 in. h