Wiper Drain Hole, Wheel Drain Hole, Sunroof Drain Hole, Trunk Drain Hole, Fuel Tank Drain Hole, Sewer, etc. The pipe brush is very flexible and can even be used in curved pipes. The nylon bristles collect and remove blockages, and are good for long-term use. Insert the flexible rod (one end of the brush first) into the pipe and gently rub the inside as you remove the brush. Flexible but resilient, it is easy to pass through and enter to unclog the drain hole. Specifications Color:Orange Material: Nylon + Steel Wire Category: Cleaning Brush Size: 81cm; 130cm Scene: Car, Bathroom, Kitchen Package Included: 1*Cleaning Brushes Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.