This is a convenient case for storing small items that can be freely joined according to the purpose. [Use] Storage of parts and other small items. [Function] A M-size jointed case that opens alone. It is a clear type that makes it easy to see the contents. The joint structure allows for free layout. Comes with a convenient index sticker. [Specifications] External dimensions: 50 x 70 x 18 mm / (M 1 piece size) 50 x 35 x 18 mm. Color: Clear. Internal dimensions: (M) 45 x 29 x depth 16 mm. Comes with index sticker. Cold and heat resistance temperature: -20 to 120 degrees C. [Material] Polypropylene. [Caution] Please avoid using polishing powder, scrubbing pads, thinner, benzene, fire, and hot water. Leaving it in a place exposed to direct sunlight or other high temperature places for a long time may cause deformation.