Camco RV Stabilizing Jack Pads help prevent jacks from sinking into the ground. They are compatible with stack jacks, fifth wheel stabilizers, swing down stabilizers, and awning arms. Not intended for use with hydraulic jacks. Each pad features 6.5" x 6.5" of usable surface area. For convenient storage, they interlock and include a handy strap. Constructed of heavy-duty, UV-stabilized polypropylene. Includes a set of 4 pads. Made in the USA.• Helps prevent RV jacks from sinking into the ground• Not intended for use with hydraulic jacks• Interlocking design and handy storage strap for easy storage• Made of heavy-duty, UV-stabilized polypropylene• Includes a built-in handle for ease of use• 6.5" x 6.5" of usable pad• Set of 4 Made of heavy-duty, UV-stabilized polypropylene Each pad has 6.5"" x 6.5"" of usable surface area Set of 4 pads | Camco Stabilizer Jack Pads, 4-Pack Made in USA