[TP-CTH-STA] stacked type tapered sealed container

Stacking (stacking) also nested storage (nesting) is also a clip-type of sealed container that can be.

○ By the bottom itself put a stage, we will be able to stack does not interfere with the clip.
○ Because of the tapered shape, empty containers can be stacked.
○ because it does not attach the hakama for stacking, it is sanitary not accumulate foreign matter or cleaning solution on the outer surface.
○ Because of the sealed container to prevent dust from entering from shatterproof and outside of the contents.