Tinksky 3pcs Trumpet Mouthpiece Valve Flexible Cleaning Brush Set Color: white, black, blue. Material: Plastic and nylon. Length of the Mouthpiece brush: Approx. 11.5cm, Brush Length: Approx. 6.5cm. Length of the Valve brush: Approx. 12cm, Brush Length: Approx. 6.5cm. Length of the Flexible brush: Approx. 86cm, Brush Length: Approx. 2cm. To give your trumpet or other instrument a complete cleaning.