BPA free,straws are non-toxic and will not cause any health problems. Beautifully crafted straws,can be used for drinking virtually anything,from hot to cold drinks,smoothies to shakes,lemonade,protein shakes,cocktails,hot chocolate & more! Simply rinse them out after every use,or use cleaning brush,these brushes are long enough to clean the whole straw and can get rid of any accumulated stain . Package include 6pcs 9inch Transparent Straight straws (230mm * 10mm ),2pcs Cleaning Brushes (200mm) ZYTC brand products quality. We have a professional customer service team. Please feel to contact our team when you need it. We will reply to you promptly and provide you with 24/7 assistance! Thank you for your choice!.