These clear 21" plastic pastry bags from Thermohauser are the perfect piping tool for the professional baker, cake decorator, or caterer. Eliminate the costly cleaning procedure required by the use of canvas pastry bags in your bakery - choose the convenience of disposable piping bags! These bags will help reduce the risk of bacterial contamination at your establishment, as no bag is re-used since new bags are used every day. Its perforation enhances quick and simple separation of single bags from the roll. They are disposable - no cleaning required!