SOLID MATERIALS: Durable PP furniture risers can hold up to 1300 pounds of furniture. They won't wobble and are easy to use.More stable ( Diameter :2.71", Height: 2.55" EXCELLENT SERVICE: Bed risers can be stacked to adjust the height, that can be easily assembled to a suitable height. Risk-free 100 Days trail, We're confident you'll love risers ADJUSTABLE DESIGN: Bed risers can be easily assembled to a suitable height.Additional space has been added under the bed and furniture to make cleaning more convenient ANTI-SLIP SHOCK ABSORPTION DESIGN: The bottom of the riser is designed with TPU non-slip rubber pad,it can protect furniture and floors from scratchesand reduce vibration.Risers apply to raise beds,sofa,couches,cabinets,tables,chairs and fridge PACKAGE CONTENTS: There are 4 sets in the boxeach set includes 2 black riser and 1 TPU bottom.Tips: As the furniture has a certain weight, it is best to install it by two people to ensure safety.Please check the size before purchasing the product