Set of 4 canopy weight bags sold empty for user filling. Designed to add stability to tents, gazebos, camping sun shelters, sports umbrellas, and trampolines without changing the original frame. Key benefits Adds secure ballast to reduce tipping and movement in light to moderate wind. Durable construction: made from 1680D PVC backed polyester fabric for long lasting tear resistance. Waterproof outer layer protects the fill and the bag from moisture and dirt. Versatile use: suitable for canopy tents, market stalls, backyard gazebos, camping shelters, sports umbrellas, and small trampolines. Sold empty: fill on site to control transport weight and select the fill material for your needs. Features and performance Heavy duty 1680D PVC backed polyester provides abrasion resistance and reliable durability for repeated outdoor use. Waterproof finish helps prevent water penetration into the fill and extends product life. Compact when empty for easy storage and transport. Practical use scenarios Outdoor event or market: Secure a pop up canopy at a farmers market or craft fair by placing a weight bag over each leg to keep the canopy stable during setup and breakdown. Backyard gathering or party: Add ballast to gazebo corners to prevent swaying and movement during family barbecues or garden events. Camping and beach shade: Carry the empty bags to a campsite or beach, fill them there, and use them to stabilize a sun shelter or sports umbrella. What you get Four empty weight bags for canopy and shelter stabilization. No filling included. Notes Bags are sold empty. Fill with sand, gravel, or other appropriate material as needed for your application and local conditions. Follow local guidance and common sense when selecting fill materials and securing your shelter.