DECOHS 1 Set Beach Umbrella Base Weight- 600D Oxford Cloth Sun Umbrella Fillable Weights Sand Bags- Heavy Duty Beach Umbrella Stand Sand Anchor for Outdoor Patio Garden. 4-Sided Design: Our sun umbrella base weight bag adopts square design, with 4 holes matching the sun umbrella 4 corner hooks, which is larger in size and can put more sand, so that the beach sun umbrella can be more stable.