These dark brown hairnets from Cellucap offer unbeatable product value, affordable quality, optimal fit, and comfort. The hairnets are used to restrain hair for all types of applications from foodservice to janitorial. Not only are these hair covers unisex, they will fit almost anyone. The large hairnets are 24" in diameter and have a 1/4" aperture. They are made of 40 denier nylon. Denier is the measurement of thickness of the nylon.