Safety BPA Free: Higreen collapsible straw is made from the highest food-grade silicone, ensuring 100% BPA-free composition. It is LFGB and RoHs approved, guaranteeing quality and safety for you and your family. The straw is free from Phthalate, Lead, Cadmium, Mercury, and PBBs. It doesn't contain any rubber flavor, and a simple wash before use is sufficient. The silicone straws are safer and healthier for your beverage enjoyment. Comfortable Design: The soft, bendy nature of the silicone straws keeps both kids and adults safe from potential harm to the mouth, teeth, or eyes while drinking. These straws are soft to bite down on but extremely durable. They are perfect for enjoying any cold or hot drinks without getting too hot or cold, unlike stainless steel straws. Compatible with Tumblers: The collapsible straw is designed to be compatible with your favorite tumblers, whether they are 20oz or 30oz in size. Enjoy your beverages with convenience and style.