Handi-Spa Pads: Set of 3 pads creates a new foundation to protect the underside of your hot tub or spa with a durable cushion; Can also be used between rough-surfaced wood decks and concrete pads Reliable Strength: Made of weatherproof high-density polyethylene and tested to withstand 300 pounds of pressure per square foot; Floor underside is formed with built-in strength pockets for durability Connectable Design: Hot tub floor mat pieces lock together with built-in connectors to reduce shifting which eliminates the need to pour costly concrete and time-consuming installation Versatile: Ground mat suitable for under pool filter equipment, plastic sheds, under trash cans, and inside the garage; Avoid placing beneath gas heaters as it can pose safety risks Specifications: Each hot tub mat weighs 15 pounds; Dimensions (L x W x H): 32 x 48 x 2 inches; Add pads as needed to increase overall pad size (Additional pads sold separately)