The Rotary™ Bristle Bottle & Nipple Brush is an all time classic 2 in 1 brush with great amount of usefulness. Fine durable bristles sweeps up residue effortlessly and gently without scratching the inner bottle and nipple. Stainless steel is selected to form the core bone structure to hold the bristles as it does not rust. It come with a BONUS nipple brush which perfectly clean for your teats day and night. The looped handle at both the back of the brush allows easy hanging on for drying before storage. With the easy grip rotary handle on the bottle brush, you can rotate the brush 360 degree or sweep it up and down in the milk bottle for easier cleaning.