The New Aer (All Element Ramps) Are The Perfect Traction Aid For Inclement Weather Conditions Or Any Type Of Loose Terrain. They Feature Heavy-Duty Nylon Reinforced Plastic Construction And High Traction Surfaces To Get You Out Of The Mud, Snow Or Sand With Ease. Each Ramp Can Support Up To 7,700 LBS. Ramps Are Sold In Pairs And Come With A Durable Nylon Storage Bag.