To protect your portable tub Eva Foam Pad for Hot Tubs Designed to sit beneath your inflatable spa, the interlocking floor tiles help to insulate your portable hot tub and reduce heat loss for best energy efficiency. Includes 16x foam outdoor tiles + 1x small mat for the pump. The outdoor tile pieces are available in 2x thicknesses: 1/4" and 1/2". The thicker option ensures greater levels of insulation & durability. Previous page Next page 1 High density EVA foam 2 Interlocking 3 Thick size 4 Water-Resistant How do I choose the right tub mat for my hot tub? We have two different mat shapes and sizes. The square 85-inch EVA mat fits round and square hot tubs up to 84 inches; the round 77-inch EVA mat fits round hot tubs up to 76 inches. Can I put it on the grass? Yes, our mats are suitable for use on decks, dirt, lawns, etc. and due to the lack of sunlight under the mat and the weight of the entire tub the grass will not grow anyway. Are these mats easy to install? These mats are easy to install, just refer to our A+ and the accompanying product instructions for easy installation. What is included in the package? The EVA mats include 16 x Outdoor Foam Tiles + 1 x Pump Pad with product instructions. Can these EVA mats be laid directly on the soil? Yes, our mats are mainly used to protect your hot tub from rough surfaces and ground debris, but for better results we recommend that you remove any stones or branches from the ground before use.