Made of nylon+cotton, soft and flexible, remove stubborn stains without damaging the cup wall Wooden handle feel comfortable to grip, convenient to use Can reach the bottom and clean the entire interior, 12-piece cleaner brushes come in different sizes and are suitable for different shapes of bottles, such as , drinking , narrow neck bottles, bottles, wine glasses, milk bottles, vases, , water bottles, drink bottles etc.; the 10-piece brush (20cm long hose brush with bristles of 3 mm, 4 mm, 5 mm, 6 mm, 8 mm,10 mm,12 mm,15 mm)thin can also be used for straws, water outlets, slim spouts, keyboards, small fan blades, coffee machines, water dispensers and others. tight corners. Colour:Black Material:Nylon + metal Package Contents: 12 x cleaner brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.