Whitmor Bed Risers White Set of 4 Easy to use simply place under bedposts Made of durable molded plastic; add height to your bed without worry of the risers breaking Dimensions: 6.375" x 6.375" x 6.0" The recessed walls of the bed riser adds 5.25" in height to the bed Recessed walls fit up to 2.63" bed post and ensures that your bed will not slip and fall Bed risers may be stacked together when not in use to conserve space Wipe clean with a damp cloth Service & Guarantee. Whitmor stands by our products. If you have any problems, contact us for help.