The Rotary™ Spongy Bottle & Nipple Brush is an all time classic 2 in 1 brush with great amount of usefulness. Soft spongy sweeps up residue effortlessly and gently without scratching the inner bottle and nipple. It come with a BONUS nipple brush which perfectly clean for your teats day and night – Stainless steel is selected to form the core bone structure to hold the bristles as it does not rust. 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.