1、PREMIUM MATERIAL: Made of weatherproof HDPE to ensure durability, resistant to deformation and damage, sun resistant, anti slip, can withstand the wear and tear associated with heavy loads and daily use. 2、INCREASED GRIP: Leveling ramps can withstand up to 11,000 LBS of weight and pressure, with anti slip texture, which provides excellent traction and enhanced tyre grip for increased safety and protection. 3、EASY TO STORAGE: RV leveling ramps with 565 x 190 x 130mm outer size, and can be easily stacked and store into the included storage bag, without taking up too much space. 4、KEEP VEHICLE STABLE: The RV leveling ramps are used to keep your trailer or caravan level and stable when parked on uneven ground or during rest stops. 5、3 LEVELS: The levelling block comes with 3 different levels, making it easy to drive into and will raise your vehicle in step increments to the desired height.