HOME COMPOSER 3 inch Bed Risers Set of 4, Heavy Duty Stackable Furniture Risers Lifters for Beds, Sofa, Tables and Chairs, Black Bed Elevator with 2.8" Square Recess. Each 3” lifter is coming with a 2.8” square recess for fitting bed legs, bedpost, furniture legs or sofa stools. The border around the edge with depth in 2/3” to prevent your legs from skipping off. These 3” risers are made of high density molded plastic, reinforced and shaped in truncated square pyramid. Heavy duty enough to elevate your beds or furniture up to 1500 lbs for additional storage space. Our affordable risers set is easily to raise your furniture up, that makes people more comfortable sitting down on a bed, sofa or chair. This is can also be advantageous for people with restricted mobility. They can be used to elevate the head or foot of the bed when medically indicated and in some instances. Our short sturdy bed risers can be used to help furniture set level, despite a slanted base or floor. Also can be used to provide some tilt, making furniture easier to rise from a seated position or to work at table without bending and straining your back too much. Our 3” bed risers are able to be stacked on the top of 5” bed risers, creating an 8” height to meet your need. If your want some higher and some lower, these stackable bed risers may be what you need.