Check the listing for details. Eight Pre-owned Great Condition Six-Inch Bed Risers Molded Sturdy Black Plastic. Color: Black, Condition: Used. Listed at 30.00 USD. -Elevate your bed with these sturdy six-inch black plastic bed risers. Each set comes with eight pre-owned risers that have screw openings for bottom attachment to the floor. The wood effect finish adds a stylish touch to your bedroom decor (although you may not see them if you have a bed skirt). These bed risers are suitable for all mattress sizes and are compatible with any type of mattress. Assembly is not required, and the care instructions are simple - clean with warm water. These hidden style bed risers are perfect for those who want to increase the height of their bed without sacrificing the aesthetic of their room. Eight risers are perfect for California King or any mattress with up to eight supports. Also perfect for two full or twin size beds. Purchase price includes all eight risers. Holes at the bottom sides indicate that you can screw these lifts into a floor if you want more stability. Stored in non-smoking environment.