These bed risers 3 inch heavy duty fit most leg types, especially those with wheels or heavy duty furniture. These bed leg extenders are made of durable plastic with interlocking design for safe stacking and non-slip inserts to prevent sliding! The sofa risers set give you more room under the bed for taller storage containers! Raise Beds for the elderly, so they can easily get in & out of bed without assistance.<br><br> <b>Product Parameter</b><br> Material: high quality PP<br> Size: 4.1 * 4.1 * 3.8 inch<br> Weight Capacity: 5000 lbs<br> Package list: bed raiser * 4 pcs<br> Color: black<br>