Note: Even though these straws are made of borosilicate glass, it can still be broken if dropped on the floor, so it is recommended that you hold it gently. Reusable Straws Dishwasher Safe: our straws are cleaned in a dishwasher or by the built-in 2 brushes. Perfect for a variety of cold drinks and hot drinks including but not limited to smoothies, lemonades, shakes, cocktails, hot chocolate and juices. Easy Use and Clean: The package contains 6 glass straws and 2 long-handled cleaning brushes, the straw has a length of 20 CM and a diameter of 8 MM. Cute Glass Straws: Each straw is blown by a glass artist in a high temperature flame, and the curved part of each straw has a flower design, which is both practical and beautiful. Clear Reusable Drinking Straws: Made of lead-free borosilicate glass, Borosilicate has superior durability and is more shatterproof than other glasses. The colors remain brilliant after each use and wash.