Thank you for viewing! This is a case to protect 3D printer filament from moisture, made using Inomata Kagaku's dried food stocker 6.0 airtight container. This is a set of 2. (Single item is 2800 yen.) We will also include the silica gel originally included with the Inomata Kagaku dried food stocker, so you can use it right away. (With instructions) This is mainly based on Mugicha-san's spool and further arranged for ease of use. *Please note that the fitting parts in the 7th image are random. [Included Items] ・Filament case body: 2 ・Fitting: 2 ・Filament tube 30cm: 2 ・Tube cap TPU: 2 ・Genuine desiccant (reusable): 4 [Reference Video/Mugicha-san's Page] https://www.youtube.com/watch?v=NSq9b6FQUHs [Spool Section] https://mugimugi159.booth.pm/items/5581594 [Fitting Section] https://www.thingiverse.com/thing:3058740