This straw is made of BPA-Free material, which meets food grade and medical grade. Stainless steel straw with aluminum alloy case, key ring and a cleaning brush, it is perfectly sized to fit in a glass or in many other short cocktail glasses and are perfect for your home bar. The Stainless Steel straw is reusable and collapsible. It is very small could carry with keychain, very convenient for carry when we are travel, at home or at office. It's designed to serve as a reusable straw, which can take place of plastic straws.