Heavy Duty Furniture Risers - 1200 Lbs Capacity Square Bed Risers with 4.1 Inch Universal Cavity, 6 Inch 4-Pack Black, Sofa Lift and Desk Elevators for Under Bed Storage

High-density Polymer | The FWLHH Standard: Elevate your home environment with our precision molded polymer construction; designed to provide long lasting and reliable structural support for daily use | Unshakeable Support: Reinforced internal cross rib architecture securely holds up to 1200 lbs of static weight; prevents deformation under heavy oak beds and solid wood desks | Universal Furniture Fit: Spacious 4.1 Inch top cavity accommodates wide square and round legs; built with an elevated L-shaped lip and concentric grip pattern to lock legs firmly | 6 Inch Instant Lift: Adds vertical height to create expansive under bed storage space; wide 5.8 Inch trapezoid base ensures zero wobble while allowing robot vacuums to clean easily | What You Get: Four 6 Inch black square heavy duty furniture risers; designed with smooth bottom edges to distribute pressure evenly and protect your premium floors from indentations