VEVOR solid ramp makes it easy for your wheelchairs, sweeping robots, and carts to climb the slope. It is made of high-quality solid natural rubber material, which has strong compressive strength and is not easily deformed and can withstand weight up to 15 tons. | Vevor | | 1.2" Rise Cuttable Threshold Ramp for Sweeping Robot,35.4"Wide Natural Rubber Wheelchair Ramp,Non-Slip Solid Rubber Ramp | Black | Best Buy