These glass are made of lead-free borosilicate glass which is reusable, great for cleaning and environmental friendly, a perfect replacement of your . These reusable can be part of your effort of being "green". Since are thrown every day, using a reusable glass eliminates that waste and helps keep your environment clean. Features - ColorAssorted Color - Material: High borosilicate glass. - Size: 20 x 0.8x 0.8 cm. - Safe and healthy, the great alternatives of . - The are transparent, so it’s easy to see whether it’s clean or not. - Made from high borosilicate glass, -resistant, and safe to drink from. - Simply rinse them out after every use , or use cleaning brush, these are long enough to clean the whole and can get rid of any accumulated stain or . - Sutiable for drinking hot/cold beverage, bubble tea, smoothies, drinks, thick shakes, coffee, ice tea etc. - Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 8 x Glass 2 x