· High-Quality Materials – All the brushes are made from siliconematerial,100% BPA Free food grade silicone bottle brush, free of pollution, absoluteenvironmental protection.· Our silicone bottle brush cleaner brush repels unpleasant odors,stains, – unlike sponge and nylon brushes – preventing nasty stains build-upwhich is healthier for your family. You will no longer worry about the smelly spongebristles, it may replace all bottle brush in your home.· Multipurpose Cleaning Tools – Silicone bottle cleaning brush isdesigned to reach down into every corner of the bottles to properly clean themby cleaning residue. Use the silicone brush to keep your dishes, bottles,sports bottles, baby bottles, infusers, flasks, thermoses, tubes, breast pumps,kitchen appliances and more, sanitary clean.· Grime Free & Scratch Safe – The soft, flexible siliconebristles of our water bottle cleaning brush are tough on gunk, yet gentleenough to leave your favorite vase, glass water bottle, pitcher, blender, andglassware clean and scratch-free.· Durable and Practical – The bristles of the rugged bottle brushesalways keep their shape, and will not break off or fall apart