Set - 10" Bamboo Steamer & 11" Aluminum Ring Set includes 3 pc. 10 Bamboo steamer set and a 11 aluminum ring Bamboo steamer made by hand; washing by hand recommended Ring allows you to use this bamboo steamer directly on an uncovered stock pot or Dutch oven Steam and stir fry in your wok simultaneously Used for steaming rice, dumplings, dim sums, vegetables and other light cookings