These bed lift risers make it easy for robotic vacuums to go under furniture without getting stuck, while also raising furniture to create additional storage space underneath. Couch risers help elderly, tall, or disabled individuals get up from seating more easily, can elevate a workbench to reduce back strain, and may assist in lifting the head of a bed to help with nighttime reflux issues.Our table risers are made of high-quality thickened plastic, strong enough to support heavy furniture for home or office use. The internal reinforcement ribs design increases load-bearing capacity. They can safely support up to 2000 lbs when used as bed frame risers. These heavy-duty bed risers are suitable for twin XL, full, queen, and other bed sizes.The four-sided barrier on top fits various furniture legs securely. The recessed cups are 2.78 inches wide and 0.7 inches deep, designed to fit snugly on bed legs, sofas, desks, or tables.The top bulging triangle and rubber bottom provide a firm grip on furniture legs, offering shock absorption and anti-slip performance to prevent sliding, protect floors from scratches, and reduce noise.Color: Black Material: Plastic Package Contents: 8 x Furniture height increasing pads Note: Light reflection and different displays may cause slight variations in color. Measurement error is allowed within 1-3 cm.