This large picnic mat is made of durable oxford cloth with PVC coating on the bottom. Foldable and easy to store and carry, also easy to clean. Large capacity and accommodate 4-6 people. Bottom waterproof and oil proof, ground, grass, sand can be used. Suitable for use in parks, beaches, hiking, family picnics, camping, and indoor occasions, such as baby playing mat, yoga and napping. The wonderful four seasons of spring, summer, autumn and winter. 78 3/4'' L x 59 1/16'' W