EXCELLENT MATERIAL: Stackable bed risers are made of high-strength Plastic which can hold up to 2200 lbs. This set of 4 risers features non-slip rubber floor pad that make them anti-slip and anti-scratchADJUSTABLE HEIGHT: Bed risers can be altered with three height options-up to 2 inch, 4 inch and 6 inch (WHEN STACKED) and has the greatest bedpost distance. Give you the option to find the optimal height for your needsSAVE SPACE AND PRACTICAL: Bed risers will be able to elevate bed posts safely with unbreakable materials in family and dining rooms. Increase height and lift bed to store items - More Storage Space Instantly. Create more storage under beds and furniture. Great for robot vacuumsWIDE APPLICATION: Wide range of applications. Increase the height of your beds, sofas, couchs, benches and other heavy furnitures, avoiding shoulder pain and neck pain caused by low height of furniture. For those who have trouble rising from bed or other furnitures, these bed risers provide a simple but essential toolColour:blackMaterial:plasticPackage Contents:4 x 4 inch + 2 inch bed risersOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.