Better hygiene for you. Our silicone water bottle brushes repel unpleasant odors, grease and stains, prevent pesky trash buildup, and are more hygienic and healthy for your family. Now you can finally throw away that smelly sponge! High Quality Material] All brushes are made of silicone, 100% BPA free food grade silicone bottle brush, non-polluting and absolutely eco-friendly, so please use it to clean baby bottles and other household cups. Multi-purpose cleaning tool: suitable for cleaning all types of bottles, teapots, vases and jars; squeezes into narrow bottles. Very effective as a baby bottle cleaner, great for rinsing sticky water bottles, scrubbing residue from thermos bottles, or quickly removing residue from shaker bottles and baby bottles.