Plactic Dimensions of Bed Risers -- Extra 3" High. The external size: 4.17* 4.17* 3.3 inch. The internal size: 3 * 3 * 0.6 inch. Occasion -- This bed lifts bed risers fit into raising up desks, chairs, sofas, couches, tables, cabinets and beds, especially those with wheels.Also it can easily solve the problem of raising the foot of rectangular board. Material -- Black bed raiser is made of sturdy, anti-slip plastic and won't scratch floors.Its strength can handle heavy duty furniture up to 2200 lbs. Adjustable risers -- Furniture risers give perfect elevation with stackable option, can lift furniture to 3 inches, and you can also stack them to get more height. Benefit -- Bed risers for wheels not only give you more storage space, they also aid in better sleep or for those with backache. And the added height allows for air that is more dust-free. These bed risers are made of durable plastic,won't crack and scratch the floor! Bed risers are consistent with human mechanics,it is an ideal choice for the elderly or people with back pain. Moreover, raising beds, chairs, couches and sofas, you will also get more space for storage.

Product Parameter
Material: high quality PP
Size: 4.17 * 4.17 * 3.3 inch
Weight Capacity: 1000kg/2200lbs
Function: stackable
Package list: bed raiser * 6 pcs
Color: black