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).
- High quality 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 hang it.
- Widely applied to reach many hard-to-clean device.
- Notice: Please be careful with the top of the brush so as not to scratch your hand, please do not let the child use this brush.