Durable Material: Made of food-grade stainless steel and natural wheat straw, which is not easy to bend, deform or break, corrosion and rust resistant, environmentally friendly, non-toxic, no smell and can withstand a lot of pressure, so you can use with confidence. Lightweight & Portable: The chopstick has light weight and small size and is neatly placed in a small pull design case made of wheat straw that can be easily carried in a lunch bag or daily bag. Non-slip Design: The head of the chopstick adopts non-slip design, which make it more easy to use, grip and pick up food without slipping, and is more friendly to people who do not know how to use chopsticks. Widely Application: Great for having Asian dishes, like sushi, noodles, rice, hotpot, and also comes with a portable case, so you can take the chopstick to everywhere you like without taking up too much space of your backpack, just like school, hotel, restaurant or take for picnic, party, camping, travel. And its also the great gift for friends, families or business partners. Dishwasher & Refrigerator Safe: We this chopstick can withstand high temperatures up to 120C and low temperatures as low as -30C, so it can be washed in dishwasher, placed in refrigerator or heated in microwave oven. But we also recommend to wash by hand.