Handmade from tightly woven bamboo slats secured with bamboo pegs; contains no metal?? wires or plastic</br>Tight-fitting lid secures steam for quick and efficient cooking</br>Hand wash only</br></br>Product Description</br></br>Great tool for cooking fish?? vegetables?? dim sums and meats. Tight-fitting lids secures flavor and nutrients. Do not clean in dishwasher. Clean with light soap and Luke warm water.</br><br/>http://www.amazon.com/gp/product/B01JRFHP8S