Reusable StrawThe reusable metal drinking straw design can avoid the trouble of waste. The straw has a retractable design, the size of the straws before and after the extension is about 10-22.5cm, and there are three sections for you to adjust, so you can adjust the suitable size according to the depth of the cup. Whether it is in the hot summer or cold winter, you can use the portable straw to taste the delicious drinks, and the safe material can be reused and can be used for many years. Small and Portable DesignBoth the stainless steel straw and the cleaning brush adopt a retractable design, and are equipped with a storage box and carabiner, so that whether your are traveling or going out, your can easily carry it on your bags,pocket and travel case, which is convenient for you to use at any time. The high-grade and sturdy storage box can perfectly protect the straw from damage, and you dont have to worry about losing the straw. Safe and Environmentally Friendly StrawsThe collapsible stainless steel straws is made of high-quality stainless steel material, which with fine workmanship, and the surface is polished, smooth and comfortable, and more importantly, it does not have any peculiar smell, so it can be used with confidence. Even if it is used for a long time, it is not easy to rust, and it can perfectly replace disposable straws and plastic straws, more effectively reduce environmental pollution. Easy To CleanAre you worried about that the stainless steel telescopic straw is difficult to clean after using for long time? Don't worry, the each of the straws is equipped with a cleaning brush, and it is of adjustable design, so can thoroughly cleaned the inside of the strews, and not easy to breed bacteria, so that let you use it healthily. In addition, the head of the cleaning brush is very strong, and it is not easy to fall off and break, so it can effectively clean. Wide ApplicationThe collapsible eco-friendly drinking straws can be widely used in various occasions in life, such as family gatherings, bars, picnics, barbecues, parties, homes, schools, offices and other occasions. And it suitable most cups, the smooth inner wall of the straw, can easily inhale drinks and water without using a lot of effort, so it is also very suitable for the elderly and children, to providing convenience for your family.