Extra Large 320 LBS: Canopy Sandbag set of 4, each sand bag for canopy legs can hold up to 80 lbs of weight in sand, rock, gravel, snow, dirt, or other contents. Unlike other small-size canopy sand bags on the US market, Trinka sandbag weights for canopy tent legs are designed for large capacity, they are perfect for all surfaces even the strong wind and other weather elements. (No Sand Included) Buckle Safe Attach: Simply attach the buckle straps to the canopy legs. The strong nylon straps with buckle design will ensure the sand-weighted bags stay securely and quickly attached to your instant canopy or tent legs without extra rope required. Durable, Water-resistant & Portable: The canopy tent weights set of 4 are made of Heavy Duty PVC Backed 1680D Oxford, water-resistant, strong, and durable, accompanying superior workmanship and thread density to prevent sand leakage. A rugged nylon strap with a soft grip handle for easy portability. Easy to Fill and Reuse: Quick and easily fill the canopy sandbags with sand into the large velcro pocket. These tent leg weights are designed with strong viscosity velcro pockets instead of zipper seals to prevent zipper breakage. These tent weight bags can be emptied and reused for future events. Clean the canopy sand bag directly, fold it, and store it when not in use. Widely Applied: Stabilize any instant canopy, pop-up tent, camping sun shelter, sports umbrella or folding gazebo structures with a set of durable universal pop up canopy weights. These Canopy weights bags are suitable for pop-up structures in the market including Caravan canopies, Eurmax Instant Canopies, E-Z UP Instant Shelters, and Impact Instant Canopies.