Info about this itemROBUST & STABLE Furniture raiser are made of high-strength plastic and safely support your furniture without leaving scratches or dents on hardwood floors. Excellent design offers a safe guarantee.TECHNICAL INFORMATION The external size and The internal size: As the picture shown. Height: 15cm / 6 inch. Color: Black. The furniture feet Bear 500 kg and are certified by SGS.UNDERBED STORAGE The extra height makes it easier to get in and out of bed and provides extra storage space under your bed. Use the space more efficiently.SAFETY & COMFORT Our furniture feet can raise the height of bed/chairs/sofas and other home furniture. The product can be used to adjust the height to your specific needs.DELIVERY 4 x Bed Risers. The furniture .