Waterproof - Perfect for camping when it's a bit chilly and the grass is slightly damp in the spring/autumn and in the beach, comfortable to sit or lie on when going for a picnic Portable picnic blanket this can be carried down to an impressive 38 x 25cm, an attached flap and velcro easily secure the blanket for easier transport. It's also lightweight enough to stash in your bag. Insulated - with the waterproof and sand proof backing that act as an insulator, helping the upper surface stay comfortable and dry even on wet grass or the beach Large size - Dimensions of 200 x 150cm. On this extra large sheet that can comfortably accommodate 3-4 people, ideal for family picnics and outings Multi-purpose - ideal for all indoor and outdoor activities such as picnics, BBQs, camping, also extremely useful as a vehicle upholstery protector for your pets. Also makes a perfect baby crawling mat or a child play mat