Ideal for All Types of Furniture Furniture riser up to 5.2 cm in height, per upright raises over 50 kg per leg - Raises beds, sofas, armchairs, desks, sofas and other heavy stationary furniture height of 5.2 cm to maintain the seat and improve ergonomics. Sturdy MaterialThe furniture booster is made of strong and unbreakable solid carbon steel and the underside is made of non-woven fabric. It's sturdy and durable, and can carry even the heaviest furniture in your home. Space SavingAdds extra height and storage space under beds and furniture, this which facilitates cleaning under furniture. Especially great for robot vacuum cleaner. Easy to Use Self-adhesive bed riser, just peel off the back of the spacer and stick on the furniture legs. Product Size Set of 4 (Diameter: 6cm, Height: 5.2cm). Color: Black Size: 6*6*5.2cm Scope of delivery: 4 pieces