Easy to Store 3second zip closure system enables instant setup and secure closure. Foldable backpack integration provides compact storage, ideal for travel and outdoor activities. Lightweight and spacious design keeps gear organized while maximizing portability. Smooth and Sandproof Design frequency ultrasonic welding with reinforced seams and precise edges for durable construction. Smooth no thread surface resists wear and tear. Waterproof bonding prevents delamination, maintaining performance in sandy or wet conditions. Generous and Versatile Large waterproof sandproof blanket accommodates multiple people for comfort. for picnics, beach trips, and outdoor gatherings. Also suitable as tent flooring or an outdoor mat to provide a comfortable surface in various settings. Moisture Barrier and Durability Reinforced triple layer composite with TPU coating for waterproof and sandproof performance. Prevents ground moisture absorption and withstands rough terrains. Repels morning dew to help keep the surface dry during outdoor use. Use scenarios Beach day with family or friends: lay it out on the sand, enjoy a dry, clean surface, and fold it back into the backpack for easy transport. Park or backyard picnic: provides a roomy, sandfree area for food, games, and seating. Camping or outdoor events: use as tent flooring or an outdoor mat to create a dry, comfortable space even on damp ground.