Features： 1、Heavy Enough: Umbrella base weight bag is a two piece weight bag that can hold sand, dirt, rocks and other fillers, suitable for most umbrellas and tents. 2、Large Opening: Umbrella waterproof sand bags are designed with a large opening for easy loading of padding and easy operation. 3、900D Oxford Cloth: Tent base weight bag is made of 900D Oxford cloth, durable, wear resistant, good waterproof. 4、Convenient Storage: Detachable umbrella base weight bags can be folded and rolled, easy to carry, travel, camping, etc. can be applied. 5、Scope of Application: Umbrella waterproof sand bags are suitable for use in courtyards, outdoor camping and other situations. Specification： Item Type: Umbrella Base Weight Bag Product Material: 900D Oxford Cloth Length: Approx. 42cm / 16.5in Width: Approx. 22cm / 8.7in Height: Approx. 10cm / 3.9in Package List： 2 x Umbrella Base Weight Bag