Perfect Size: Exterior dimensions: 10.5 x 10.5 x 8.5cm. Interior dimensions: 6.5 x 6.5 x 1.5 cm. The extra height helps you get in and out of bed more easily, and furniture risers black provides additional storage space under your bed. For more efficient use of space Focus on Your Health: This black table riser for those with back pain who just bent over a table that is too low. Home bed risers offer a simple but essential tool for an adapted life; Home solutions for those with back pain who just bent over a table that is too low Superior Quality Materials: This bed riser blocks is made from premium plastic with high load bearing capacity and long durability Protect the Floor: The smooth edges of these sturdy wardrobe risers will not scratch floors or snag carpet or scratch or dent hardwood floors yet Widely Used: This sofa riser blocks is Fits most of bed legs, chair, computer table, desk, sofa, and please check and compare the size carefully with your furniture to make it a perfect match