5 Pairs Vacuum Hollow Stainless Steel Chopsticks Korean Folk Painting with Silk Case 5 Pairs Vacuum Hollow Stainless Steel Chopsticks Korean Folk Painting Silk Case Length : 8.9" The products is made of high quality stainless steel(Sus304, 18-10). This chopsticks set is very light because inside is empty and is convenient to use. Spiral groove in chopsticks end helps to pick up easily without dropping food.