Material and durability: Beach Flag Water Bag is made of PVC with a PVC coating; it is waterproof, tearproof, and fadeproof for outdoor use. Weight and stability: The water weight bag enhances stability and strengthens the support of outdoor flag poles and umbrellas, helping prevent them from being knocked down in windy weather. Filling and base design: The base has a hole for filling with water, which increases the overall weight and keeps the base stable. Primary applications: Mainly used to fix waterjet flag poles for activities such as advertising promotions, conference celebrations, and other events. Compatibility and performance: Designed to work with waterjet flag poles in outdoor setups, providing reliable stability and durability in varying weather conditions. Use scenarios: 1) Outdoor advertising promotions at events or venues requiring stable flag displays. 2) Corporate conferences or celebrations that use flag displays to mark areas or stages. 3) Outdoor venues such as beaches or parks where banners and umbrellas need windresistant stabilization.