The Marsh Brush is a premium, non-toxic silicone bottle brush designed to be the last one you’ll ever need. Engineered with a seamless one-piece design over a sturdy stainless steel core, it eliminates the grime traps and mold risks associated with traditional plastic brushes. At 10.25 inches tall, it is the tallest silicone brush on the market, making it the perfect tool for cleaning everything from baby bottles and breast pump parts to tall tumblers and smoothie pouches.