Chemistry Tube Bottle Beaker Bristles Cleaning Brush Cleaner 50pcs Product Name : Bottle Brush;Material : Nylon, Metal Color : White;Brush Size : 6 x 0.5cm/ 2.4" x 0.2"(L*Max.D) Total Length : 15.5cm/ 6.1" Weight : 57g Package Content : 50 (2%) x Bottle Brush