Somsak Pu-ob is a Thai-Chinese seafood restaurant in Bangkok that steams river prawns and crab with glass noodles. It serves kung op woon sen, river prawns with glass noodles, and pu op woon sen, crab with glass noodles, which are eaten by mixing the seasoning under the noodles. In the evening the restaurant fills up and a wait forms, and takeout orders are available. Portions are small even for one adult.