This is a cylindrical refill polyethylene bag that can be used with products like Aprica's Niowanakute Poi, Nioi Poi, Deopot, Combi's Poitech, Smart Poi, Kururun Poi, Nappy Pail, and Sangenic. You can use it in the same way by gathering the cylindrical polyethylene and refilling the used cassette/cartridge. The original Niowanakute Poi product is about 8m long, but it's 5.5m for easier refilling. See http://youtu.be/wswSPoLYz4s for refilling instructions. You'll get used to refilling it easily. Products that can be refilled: ・Niowanakute Poi ・Nioi Poi ・Deopot ・Poitech/Advance/Poi-Tech※ ・Smart Poi ・Kururun Poi/Nioi Kururun Poi※ ・Nappy Pail ・Sangenic※ You can also use it if the cartridge diameter is about 17cm or less. ※For Nioi Kururun Poi, Poitech, and Sangenic, the new "Poitech Series Common Spare Cassette" is easier to refill than the old type cartridges. Details: Length: Approximately 5.5m Thickness: 0.02mm Material: Polyethylene, Made in Japan About Purchase: ・Immediate purchase is possible. ・No need to comment before purchase, and no comment is needed after purchase/evaluation. About Price: ・Shipping is 190 yen (the difference is a service) ・130 yen per sheet. About Shipping: ・Basically, orders placed by 9 PM will be shipped the next day via Yu-Packet Post. ・Orders placed after 9 PM will be shipped the day after the next day. ・I cannot respond to messages during the day, so I will reply when shipping. Notes: ・The cylindrical polyethylene is new and unused, but please understand that there may be some wrinkles and dust due to folding for shipping. Other: ・I am also raising a child, and I have been using it in my living room for over 7 years, and I haven't been bothered by the smell. ・I handle polyethylene bags, so I have multiple in stock. ・I have a track record since 2013 on my previous account and have received high praise from many people. Thank you.