Description Each ramp has a special textured surface to increase friction and prevent slippage. The sturdy base structure makes our ramp more stable and not easy to move during use. Designed to allow the sweeping robot, skateboarding, wheelchair and more to travel safely on uneven ground or doorway. Features -Color:Black -Material:Silicone -Size:68.00X5.00X1.50cm/26.72X1.97X0.59in -The ramp is designed to help the sweeping robot and wheelchair climb up the steps easily. -Will not cause damage to other parts of the sweeping robot, with smooth and groove surface. -Can be used for electrically propelled wheelchair, toy car, sweeping robots and other ramps to fill parallel walking. -Non-slip design, wear-resistant and damage-resistant, an indispensable good assistant in your family. -Easy to move furniture with wheels or casters, perfect for use at home or work.