Chinese chopsticks will tend to be long and round, Korean chopsticks are flatter and often made of metal and Japanese chopsticks tend to be round and very, very pointy.
Pauzinhos chineses tendem a ser compridos e arredondados, pauzinhos coreanos são mais planos e feitos geralmente de metal, e pauzinhos japoneses tendem a ser arredondados e muitíssimo pontudos.