This narrow, long-handled brush is ergonomically designed to clean water bottles, baby bottles, vases, stemware and other hard-to-reach containers. Both gentle and durable, silicone is safe for all surfaces and is a more hygienic option than traditional fiber bristles. Great for recycling, party cleanup and everyday use! -Durable, gentle silicone bristles -Narrow, ergonomic shape with metal core -Water & baby bottles, vases, stemware, recycling & more!