Play Mats are made using a soft recycled foam and have a latex anti slip base to help reduce the movement of the mat when it is being used. These are great mats to use for general floor play as well as for indoor games.80mm thick this mat is the ultimate sensory feast - crawl, jump, rest, play, sit or just lay down! 1200mm square. Will extend by addition of other mats (including 25mm thick and 40mm thick mats) with hook and loop fastener. "Skin and hygiene kind", the Eco-play anti-bacterial cover, wipe cleans.