1.Designed Specifically for Bottle Cleaning Perfect for cleaning all baby bottles and accessories.Long silicone baby bottle brushes for cleaning bottle body,cap.Silicone nipple brush and nylon straw brushes,designed specifically to clean nipples,valves,pump accessories,handle. 2.Safe and Odorless The long-handle brush head and nipple brush head is made of food-grade silica gel ,the other straw brush head are made of nylon, they are all BPA-free, safe and odorless . 3.Clean without Dead Ends Elastic derformation, soft arrival ,nowhere to hide dirt ,go deep into the bottom of the baby bottle and fit any angle to achieve no dead angle cleaning. 4.You can use the silicone brush to keep your dishes, bottles, sports bottles, baby bottles, infusers, flasks, tubes, breast pumps, kitchen appliances and more, sanitary clean.