Thank you for viewing! This is a water weight bag. It securely supports tripods, stands, etc., and prevents shaking. Simply fill it with water and pass it over the tripod or stand for easy use. When not in use, it folds up for convenient portability. - Specifications - ・Material: PVC (polyvinyl chloride) ・Diameter when spread out: 37cm ・Inner diameter of the part for inserting tripods/stands: 5.5cm ・Inner diameter of the water filling part: 2.5cm ・Weight: 75g Please allow for some minor errors. - Shipping Method - ● Japan Post Yu-Packet Post mini. ● Delivery to your mailbox, with secure anonymous delivery and tracking number. ● Shipped from Kanagawa Prefecture, usually the next day. - Discounts - ● No discounts for a single item. ● For 2 or more items, we will discount the equivalent of the combined shipping cost (200 yen x the number of additional items). Combined shipping with other items on sale is also possible! Please let us know via comments or the bulk purchase function. ↓↓ We also have a great value set of 2 for sale. #WeightBagKentan ↓↓ We also have other unused items for sale. All are free shipping. Secure anonymous delivery with a tracking number. Please take a look! #UnusedItemsKentan