Black Bed Risers(Set of 4)Honey Can Do STO 01004 6 in. Round Bed Risers, black. The set of 4 bed risers provides 5 in. of additional under the bed storage space. Fits posts up to 3 in. in diameter or width and boasts a 300 lbs. weight capacity for each riser. Perfect for dorm rooms, apartments, and kids rooms, where a little extra space can go a long way. 300 lbs. weight capacity per riser Fit up to 3 in. posts Aadds 5 in. of extra under the bed space Remove casters before use