【Weights for Umbrella Stand】The outdoor weight bag is designed to provide additional weights to your existing umbrella stand after you fill your own sand. Adds up to 85 lbs to your existing umbrella stand, additional weight can be stacked for increased stability. Never worry about your umbrella flying away again. 【Material】 Made of high-quality 900D oxford fabric, waterproof, sun-protective, strong and durable, our weight bags won' t crack or tear. High sturdiness can ensure long-time use even in horrible weather for umbrella base protection. 【Easy To Use】Just fill with sand and wrap it around umbrella pole. The side opening is large and allows you to quickly fill the bag, each bag can bear 25kg sand (sand is not included). Premium buckle straps ensure the weight bag stay securely attached to your patio umbrella. 【Updated Design】 The 3.5 inches diameter inner ring can fit most cantilevers, parasols or garden umbrellas posts. Against strong wind and all climate conditions. 【Wide Application】Fits around about 2.75 inches (7cm) pole or lays directly onto a hoop base, t-ball platform, or any flat surface. You can use them at markets, camping, picnics, festivals, celebrations, sports events, beach etc..