1. The brush is made of high quality Nylon, which makes the brush durable, un-deformable ad functional.
2. Big brush for the bottle, small brush for the teat (nipple).
3. The 360° rotatable brush handle makes cleaning easy and fun, and cleans the inside and the inner-corner easily, effortlessly and properly.
Materials
Brush head: Nylon
Handle: Stainless steel + PP