Furniture riser cups could raise your beds, couches, armchairs, desks, sofas, and other heavy stationary furniture to create an additional 5 inches of storage.Risers products are made of high-strength plastic provide a strong support which can safely support a total of up to 2,000 lbs, 500 lbs per leg.Recessed holder cup with memory foam cushion pad built into top of risers securely locks in furniture legs and caster wheels.Each size: About 15cm x 17.7cm / 6 x 7 INCH with 7.6cm / 3 INCH upper internal diameter. Definitely will work as long as the leg is less than 3 INCH width. (Due to recessed design, actual rising height is 5 INCH).Material: plasticcolour: blackPackage Contents:4 x 5 Inch Bed Riser CupsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.