This product contains 1 set of 10 tube brushes with varying diameters.You can always find a fit tool when cleaning gaps, dead angle places.Easy to get into hard-to-reach spaces, and no more remaining dust in your life.All brushes are 150mm/200mm long, dishwasher safe, and constructed with stainless steel and nylon bristles.This set of 10 brushes comes with a detachable key ring for quick and easy access.All brushes have a convenient loop at the end of the handle to hang when not in use or to reattach to the key ring for safe keeping.And each end of the brush has conservatory design, which provide you more safety.Not only prevent scratching the items, but also you from hurting yourself when cleaning.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.These cleaning brushes are DISHWASHER SAFE and BPA FREE.Material: 304 stainless steel + durable soft nylon bristles. Package include:10pcs cleaning brushes