Waterproof - The back of the XXL picnic blanket is made of high quality PEVA material, the bottom is waterproof and protects you from moisture, wet grass and dirt. Whether on the beach or in damp grass, it will keep you dry. XXL picnic blanket - unfolding size: 200x200CM, folding size: 40x6.5CM, it is large enough for 4 to 6 adults, suitable for the family of four or five. Waterproof picnic blanket can be easily rolled up and secured with the strap. Easy to carry and attach to the backpack. 3 layers design - Our picnic blanket consists of three layers: comfortable surface made of acrylic fabric, 3 mm sponge in the middle and waterproof PEVA bottom, feel comfortable on the skin, good for spending time in the park or on the beach. Easy to clean - Our waterproof picnic blanket is easy to clean due to its waterproof material.Cleaning The surface can be easily cleaned with a clothes brush, the underside can be wiped with a damp cloth if necessary. It cannot be machine washed. Multifunctional camping blanket - Our picnic blanket is perfect for camping, barbecues, hiking, picnics ,Mountaineering, sports events and other outdoor activities, it can also be used as a play mat for children or pets, moisture-proof mat and beach mat.