Package Includes: the photography weight bags set include 12 sand bags with 12 aluminum key chins and 24 clear film bags; Sufficient quantity to meet your needs, you can hang it anywhere | Quality Material: these photo studio weight bags are made of quality oxford cloth, which is wear-resistant and sturdy; The sand bags for photography feels soft, have nice sunscreen and waterproof performance | Easy to Carry: the weighted sand bags for stands are lightweight, just carry empty sandbags to go out, fill the sandbags with sand, gravel, rocks or nuts (NOTE: sandbag is empty, do not contain any material and can not hold water | Large Capacity: each photography sandbag has 2 pockets, the size of pocket is 29 x 27 cm/ 11.41 x 10.62 inches, this tripod sandbag can hold more objects than ordinary sandbag, easy to carry, suitable for photo sets, movie sets, live productions | Widely Applicable: the tripod weight bags set includes 12 pieces aluminum buckles to attach to light stands, tripods, booms, camping tents; These filled weight bags help your equipment stable in the wind or on uneven ground