The 8x8 Hot Tub Pad - Protective Mat Goes Under Spa helps create just the right amount of support for an at home spa. This pad cab be customized to fit unusual sizes or shapes.This all-resin spa placement pad eliminates the need to pour concrete or build a wooden deck! It also helps to insulate and protect the underside of your spa, and can be used on an existing concrete or wooden deck. This hot tub mat features easy snap-together assembly and durable resin construction - no maintenance required! Comes with 6 pads that form an 8 foot square, add more pads to create a bigger overall pad size.