Set of 8 Green reusable straws are made of shatter-resistant glass material, making it both durable and safe to use in hot or cold drink. ECO-FRIENDLY -- The Glass Straws are reusable, environmentally friendly, non-toxic, harmless and odorless, good to the health of your family, and friendly to the environment and marine life. Bent 8x10 mm in size DISHWASHER SAFE -- Can withstand heat & are safe to place in the silverware basket of your dishwasher for a complete sanitation. EASY CLEANING -- Simply rinse the reusable straws after use or place in the dishwasher. Two full length cleaning brushes are included just in case of clogging. WIDE APPLICATIONS -- Can be used for homes, offices, restaurants, picnics, travels, etc. You can use a 10mm straw to drink smoothies, shakes and other thick drinks.