• Plastic
• Risers products are made of high-strength plastic, safely support your furniture won't scratch or dent hardwood floors.
• 8 Pack bed risers 3 inch heavy duty ensure long life of use and maximum durability.
• Raises 2.5 inch height on your beds, couches, armchairs, desks, sofas, and other heavy stationary furniture. It's a bed frame risers with high quality, it can create more space under the bed.
• When you use desk risers for desk legs, you can increase storage space under the bed, chair,sofa and other furniture, you can put your shoes, clothes and storages cube under them.
• Each bed raiser blocks height is 2.5 inch, there is size detailed picture and information in the listing, you can look at it before you place the order so that it fit to you furnitures.