... Details for Production Item NameHexiang Bamboo Chopsticks are made of natural bamboo ,with TWINS ,TENSOGE ,ROUND CHOPSTICKS , ... 4.5mm,5.0mm as requestedFeatures high-temperature sterilization in microwave ovens, and have undergone UV sterilization. HygienicQualityPassed ... sterilization. Hygienic .We have factory both in Yiyang ,and Changsha , Welcome to your visits. Photos of Sample bamboo chopsticks ...