Height Adjustment Easily elevate your furniture with stackable bed risers. Use two layers to lift furniture by 3 inches or stack three layers for a total height increase of 4.3 inches. Add more risers as needed to reach your ideal height bringing more convenience to your family and life. Anti-Slip & Floor-Protecting Design ANNKUT bed risers feature a textured surface to prevent leg movement and are equipped with a TPU rubber base that grips the floor securely. Half-Side L Design The L shaped design can meet you more applications. You can use the full side when the size of your furniture foot is small.