Description These Cleaning Brushes are made of high-class materials and are safe to use. It is perfect for cleaning test tube. Simple design, easy to use. Suitable for cleaning the inner wall of test tube, which will bring much convenience to you. The brush is made of high density nylon silk, with good elasticity and no shedding. Features -Color:Silver -Material:Stainless steel and nylon -Size:17.50X1.00X1.00cm/6.88X0.39X0.39in -These very practical universal brushes are used to clean test tube, straw, etc. -The useful appearance design is suitable for cleaning the inner wall and bottom of the test tube. -They are made of premium materials and is safe to use, great and wonderful. -Hanging design, can be hung on the wall for easy storage, bring convenience to your daily life. -You will have good use experience because of the perfect workmanship of this product. Package list: 25 x Cleaning Brushes