RESISTANT TO DAMAGE - this product is made of a material PVC , characterized by durability and resistance to any damage, for example, perforation or abrasion. FUNCTIONAL - protects the bottom of the pool against both dirt and punctures. In addition, the protective mat will prevent grass, sand or leaves and other dirt from entering the water, because the dimensions of the mat allow you to remove the flaps on it, not directly in front of the pool. Importantly, the product can also help to level the ground under the pool. UNIVERSAL - perfectly compatible with all sizes and types of pools (expansion, rack, inflatable, metal) INSULATION - the mat is a high-quality thermal insulation, thanks to which the heated water will last longer, keeping its temperature. SPECIFICATION - color: blue ; dimensions (length / width): 274x274cm; weight: 0.6 kg SPECIFICATION blue color dimensions (length / width): 274x274cm weight: 0.6 kg