32 cm Cleaning Length for Cleaning Wide Mouthed All Natural Bristles and Hence Does Not Leach Into Water Cleans and Scrubs Better than Plastic Brushes No Chemical Processing On The Brushes Stainless Steel Handle. Palmera presents you 32cm long cleaning length for cleaning wide mouthed bottle of 1 to 2 liters. It is made from natural bristles and it does not leach into water. No chemical processing on the brushes natural and antibacterial coir bristles and premium stainless steel wire handles Usage : Disposable and easy to use bottle cleaning brush.