This is a round bamboo basket. It is made entirely of bamboo and does not use any wire. It has some warping. This is an old item from the Showa era that was stored at my parents' house. - Material: Bamboo - Shape: Round - Size: Depth 19cm Diameter 34cm and 31cm - Design: Woven design - Usage: Draining water from food or for serving Thank you for looking.