Check the listing for details. Acdibca Solid Wood Bed Riser for Under Bed Storage Heavy Duty Set of 4 - White. Color: White, Condition: Used. Listed at 30.00 USD. Purchased from Amazon and no longer need. Perfect condition. Specs are from the Amazon listing. If you need specifics, contact the manufacturer. Solid Wood (Size: 3.3X3.3 Inch） (Internal increase: 2.75 Inch） (Total height: 3.9Inch） Adds additional height/storage space under beds and furniture making cleaning underneath furniture easier (great for robot vacuums) Lifts heavy bedroom, living room, and home office furniture to a more ergonomically correct height that provides a safer biomechanical advantage to user Solid wood stitching, a set of four Raises beds, couches, armchairs, desks, sofas, and other heavy stationary furniture height 3.14 inches to assist the sit to stand process and boost ergonomics