BPA Free Heavy Bristles for deep Cleaning any small area - pipes, hookahs, vaporizer, vape, screens, and more;Perfect for cleaning Starbucks Straws + RawNori & CocoStraw reusable Stainless Steel Drinking Straws + plastic drink straws;Universal Cleaner for all types of Smoke wear, Washes clean every time. Long Lasting, stainless steel handle, stiff nylon bristles;7.5 long 1/4 wide bristles, cleans silicon straw & thermos, sports bottles,sippy cups - Won't Rust;Great for cleaning crevices in juicers and other kitchen appliances such as omega vitamix and champion brands