①. EXTRA SAFETY. These umbrella base weight sandbags are robust and versatile. Use them as outdoor furniture weights to keep drying racks or trampolines stable, or as door stoppers! ②. UP TO 49 LB. You can fill each umbrella sandbag with sand, gravel, or stones (not water!) to create a patio umbrella weight of 49 lb (22 kg) and keep a cantilever umbrella base secure and in place. ③. FOR ANY HARSH WEATHER. These umbrella weights for outside use are made of tough, water-repellent, UV-resistant, anti-dirt material that withstands extreme temperatures—year-round sandbags for stands. ④. LAST FOR YEARS. Each beach umbrella sandbag is made of high-density 600D reinforced fabric that doesn't tear or stretch. No plastic layers, so no molding or dampening inside the umbrella weight bags. ⑤. SMART, USER-FRIENDLY DESIGN. Arch-shaped umbrella weights provide a larger contact area. Carry the umbrella sandbag weights by the sturdy strap on each. Fill the sandbags easily through large openings on both ends with ultra-dense, mess-free hook & loop fasteners. ⑥. Quantity: 4 Pieces ⑦. Color: Black ⑧. Material: Canvas ⑨. Package Contents: 4 x Outdoor Fillable Sandbags Only the above package content, other products are not included. ⑩. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.