Feature 1Size: Each leveling block measures 8.5 x 8.5 x 1.3in. Stack the leveling blocks to the required height for custom leveling; Each square can add an inch to the height of the stack. 2Nonslip Design: These Camper Leveler blocks are made of quality material and are durable. Both the surface and bottom have a nonslip design to protect the tire from sliding. 3Easy storage: A storage bag is included with the package. When not in use, it can be put in a zipper storage bag with a handle, which is easy to carry. 4Instructions: Simply set the leveling block to a pyramid shape, depending on your needs, to the height needed for the RV to be raised and driven onto the stack. 5Wide Application: Camping Leveling Block is suitable for car RV trailer caravan single wheel and two wheel leveling.Item Type:CamperLevelingBlocksMaterial: ABS, metalQuantity: 10Features: Camping leveling block, suitable for single and double wheel leveling; Can be used with single wheel, double wheel, double wheel, tongue jack, fifth wheel jack, hydraulic jack and stabilizer jackApplication:Fit for Car RV caravan trailer etc .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List10 x LevelingBlocks1 x Storage Bag