These can clean stubborn milk stains, food debris, and will not scratch your straw. Its long handle provides a comfortable grip, even when wet, makes cleaning quick and easy. Made of good materials, safe and durable for use, long serving life. Features -Color:Black -Material: Stainless steel, nylon - Size: 20.00X3.00X1.00cm/7.86X1.18X0.39in - Great for tea or fruit infusers, breast pump parts, bottles straws, water bottles straws, tube, , etc. - It is lightweight, reusable, flexible and compact, support long time of use. - These brush can reach down into every corner of the straws and bottles to clean them by . - It can prevent the accumulation of dirt which is more healthier for your family. - It is helpful to clean every angle, especially the corner ordinary bottle brush is unable to clean. Package list: 13 x