Disposable Hair net Caps Catering 100pcs Disposable Hair Hat Net Cap Non-Woven Head Cover Hat For Food. Disposable bouffant caps made from polypropylene, for long hair protection in hygienic environments. Used in cleanrooms, laboratory and the food industry. Disposable concertina hairnets made from polypropylene with elasticated edges in many colours. Perfect for cleanroom, laboratory, & food industry use..