This item is well made of premium material for durable and practical use. All brushes have a convenient loop at the end of the handle to when not in use or to reattach to a ring for safe keeping. A good helper for your experiment life.Features- Color: As shown.- Material: Nylon, bristles.- Size: 28.00X10.00X10.00cm/11.00X3.93X3.93in - High-quality materials make these cleaning brushes very durable and long lasting.- These cleaning brushes are very comfortable to use, simple and convenient to clean.- The wonderful detail will ensure its high performance as excellent cleaning flask brush.- They will not scratch the flask and keep the bottle safe and clean, practical and durable brush.- Exquisite craftsmanship and creative design guarantee their durability and popularity.Packing list: 5 x brushes Z