Custom Designed Playmats. These beautiful game mats are designed of top quality material. They are constructed with a polyester cloth surface, and dense black open cell sponge rubber base with a non skid bottom that grips the surface with a soft, smooth surface to help with the longevity of gaming sleeves and cards. Each game mat measures approximately 60cm X 34cm . The 0.2cm thin mats are lighter and thinner to allow for a greater flexibility for transportation and storage and great choice for general card gaming.