Sturdy Material: The bed risers are made of durable and unbreakable solid high-quality carbon steel, and the bottom is made of non-woven fabric. Glides for heavy furniture: bathroom cabinet, cabinet legs, sofa legs, table legs, desk legs.They are sturdy and durable, even the heaviest furniture in your home. Save Space: Adds extra height and storage space under beds and furniture, making it easier to clean under furniture.Particularly ideal for robot vacuum cleaners.Table risers extend the table legs to keep the foot stable and improve ergonomics, make your leg freedom more comfortable. Easy to Use: Self-adhesive bed riser, just peel off the back of the spacers and stick them to the furniture legs.Furniture feet with self-adhesive felt glides.Don't worry about the furniture slipping from the furniture riser. Product Size:Color changed to: brown;size changed to: side length 4 cm, interior height: 5 cm, exterior height: 7 cm.Set of 4 sturdy and space-saving bedding accessories.