This is Japanese Traditional Rice Colander Products.

1) For washing foods and draining.
2) A shape of the rim is also designed for durability.
3) Size variations which satisfy a professional chef's preference.

To drain foods, a colander is better than a punched bowl.

A colander has wider and more holes, so it drains faster and better than a punched bowl.

Detail:

↑Pawa-zarus net shape.  Fourteen meshes.             ↑The bottom has been firmly reinforced.

 ←Structure that can be trusted

Size:

10 pieces are in the  box.

Boxed indivisually. 50 pieces in 1 carton.