窓まど付つき

noun, noun-modifying (irregular)

with a window; windowed; having an aperture

Describes an object that has a transparent opening, such as an envelope, box, or device. Often used attributively.

• 窓まど付つき封ふう筒とうを買かってください。

  Please buy window envelopes.

• この箱はこは窓まど付つきで、中なかが見みえる。

  This box has a window, so you can see inside.