Tubs measure 9. 25"W x 14. 5"D x 6"HMolded ABS plastic with no sharp corners or edges. Storage units are made of molded yellow ABS plastic parts with no sharp edges, and are ready to assemble-no tools required. Units come complete with special wall clamps that must be used to attach the frame to a wall in order to prevent tipping. Units are 4 1/2" off the floor to allow for easy cleaning underneath. Jumbo Bins feature bright-colored, positive-locking handles, and translucent tops for easy content identification. Bin Storage units come with Jumbo Bins, but Jumbo Bins can also be ordered separately. Non-Tip design ensures safety Keep games, toys, puzzles, etc. safely and neatly stored-and within easy reach Angled tiers provide easier access and more stability. Bins feature clear lids and colorful snap-tight handles. Nylon locking casters provide mobility for secure stay-in-place