WATERPROOF BACKING MATERIAL - Our picnic blanket backing is made of high-quality 210D polyester waterproof material to prevent wetting on damp lawns or beaches. The surface of the outdoor blanket is soft and comfortable. There is no problem with children using it, it is very suitable for family outdoor activities.EXTRA LARGE & FOLDABLE - Unfolded portable picnic blanket is 79 X 59 inches. It easily folds to a compact tote 12 L x 4 W x 4 H inches. Can accommodate 4-8 people to sit on it ideal for your picnic, beach adventure, backyard party, camping, backpacking, or simply to have a clean and comfortable picnic mat for your kids to play on.MACHINE WASHABLE - Adopting heavy duty canvas with 2 layers, has a comfortable cotton top with a graphic design and solid-colored waterproof backing.Normal machine washable below 104/40, low temp dry is recommendedADJUSTABLE SHOULDER STRAPS - The portable picnic blanket can be carried easily by hand, on either shoulder by adjusting to the proper lengths, so you can carry other picnic suppliers with the other hand,the handle strap with double ring buckle is convenient to carry, and can easily fold and fix the picnic mat,so if you don't fold it exactly as originally packed, it will fit anyway,saving a lot of space on the travel.MULT USE & GIFT - The outdoor picnic blanket can be used all year round. It can be used as the beach blanket, playing mat, crawling mat and grass mat in different occasions, such as park, family picnics, camping, travel. Also, our park blanket is perfect gift for your family and friends.