bamboo food steamer, Chinese food ateamer shape:round,square,tectangular meterial:bamboo no chemical, ... 4-year-old mountain Mao Bamboo2. size (1) round shape: Dia 4"-20" Height 6 1/2" (2) ... W/L 8"-20", according to your requirement (3)rectangular shape: Height 6 1/4" W/L 8"-20", according ... to your requirement3. shape: round, square, rectangular4. layers:one or two layers5. ...