STACKABLE DESIGN: Bed and furniture risers are designed to be assembled. MATERIA UPGRADE:Furniture risers made by durable PP,Every risers can handle heavy duty furniture up to 1000 lbs.easily hold your heavy duty furniture and wouldnt wobble. WIDELY APPLICABLE:bed risers heavy duty apply to raise beds,couches,chairs,cabinets,tables and fridge,gave you more storage space."L" side makes Furniture Risers easier to match to the furniture legs. ANTI-SLIP AND SHOCK ABSORPTION:Anti-slip design of the top triangular cone avoid furniture sliding around,TPU Rubber Lower Layer design protecting the floor from scratchesand reduce vibration. ROOM for IMPROVEMENT: Adjustable bed risers system instantly creates additional under bed storage space, easy to clean. SIZE: S-L x W x H:7.8 x 7.8 x 4cm/3 x 3 x 1.6in M-L x W x H:7.8 x 7.8 x 7.5cm/3 x 3 x 2.9in L-L x W x H:7.8 x 7.8 x 11cm/3 x 3 x 4.3in XL-L x W x H:11.5 x 6 x 4cm/4.5 x 2.3 x 1.6in XXL-L x W x H:11.5 x 6 x 7.5cm/4.5 x 2.3 x 2.9in 3XL- x W x H:11.5 x 6 x 11cm/4.5 x 2.3 x 4.3in Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin