Urban use: Don't worry, there's no sand in town, just recycle the water to make your canopy tent a sandbag. WATERPROOF AND WINDPROOF: User-friendly, easy to use and screw cap, made of durable waterproof PVC material, leak-proof. Each weight bag comes with convenient Velcro, hooks and straps to wrap the legs around the canopy for protection against high winds and other weather elements. Very easy to use and transport : These water weights (set of 4 weight pockets) can hold up to 10 liters of water. The weight is deflated for easy storage, saving over 90% space. After deflated (only 6*6*2 inches). ERGONOMIC DESIGN: The Velcro straps are long enough to support our 45* corner legs. Available for leg sizes from 15mm to 50mm. You can adjust them up or down depending on your needs. Simply fill the sign tightly and attach it to your awning for a secure, stable display. MULTIPLE USES: Perfect for ABCCANOPY KINGKONG, DELUXE, RHINO, awnings and beach awnings.