3 Layers: 3 layers design picnic blanket with soft fleece on the top, PEVA on the back and selected sponge in the middle which makes the outdoor blanket soft, the layer on the back was waterproof, sand-proof and easy to clean. Perfect Size: With the size of 150 x 200 cm. Large enough for 4-6 family members or friends in outdoor activities. Multi-purpose: picnic, beach, camping, hiking, climbing, grass, park, outdoor concerts, also ideal as exercise mat and for pets. Easy to Clean: You can simply clean the top with a brush and wipe the waterproof bottom with a damp cloth.