10 piece drinking straw cleaning brushes set 10pcs drinking straw cleaning brush set extra long pipe cleaner for glasses straw cups bottles and tubes washing cleaner kit. the brushes come with appropriate hardness. don't worry about scratch your items when cleaning any more, such as glasses, jewelry, cell phones, etc. made of stainless steel and nylon bristles, safe to wash dishes and drink straws. well-made nylon bristles is also not easy to pluck. 10pcs drinking straw cleaning brush set extra long pipe cleaner for glasses straw cups bottles and tubes washing cleaner kit.