Description:1. Our adjustable furniture risers feature a stackable design that allows you to create the perfect height for your furniture needs. Provide you with more storage space and more convenient cleaning. (great for robot vacuums)2. Our risers can handle up to an impressive 1300 lbs of weight, making them perfect for even the heaviest furniture pieces.3. Made of strong polypropylene material, our desk risers are durable and resistant to corrosion and moisture. The bottom is designed with TPU soft rubber to prevent the foot of the bed from moving and reduce vibration and protect the floor from scratches and damage. Making them great for use on hardwood, tile, or carpeted floors.4. Half-side and 45° Angle design, can reduce L-side breakage rate, fit more furniture feet size.