Description The package comes with 10pcs tube cleaning brush, which are 20cm long and measures diameter of 2mm, 3mm, 4mm, 5mm, 6mm, 8mm,12mm,16mm, 20mm and 24mm . It can get into hard-to-reach spaces. This set of brushes are very good for someone who was having a really hard time finding a good brush to use with reusable drinking straws. Features - Brand: OUNONA. - Color: Shown in the pictures. - Material: Steel - Size: Approx. 20 * 2.4 * 2.4cm/ 8 * 0.94 * 0.94 inch (L*W*H). - for durable and touch use. - Consist of twisted handle rod and nylon brush with 10 different diameter. - Tied together by a key ring, very convenient for you to it. - Widely applied to reach many hard-to-clean device. - Notice: Please be careful with the of the brush so as not to scratch your hand, please do not let the child use this brush. Package list: 10 * OUNONA Nylon Tube Brushes Pipe Cleaning Brush for Drinking Straws Glasses Keyboards Jewelry Cleaning (White)