Beach Blanket Sandproof Waterproof, Extra Large Beach Mat, Oversized & Compact Sand Free, Quick Drying Beach Essentials for Vacation, Cruise, Picnic & Camping with Stakes. ✔ SIMPLE DESIGN & DOUBLE ANCHORED- blanket is designed as simple as possible so it has eliminated 5 sticking out sand pockets and added 4 corner pockets that can be used for storage or sand anchor.