High quality Tie-back style hijab bonnet/ underscarf 100% Cotton (exclusive of silicone band) Machine Wash Cold, Gentle Cycle; lay flat to dry for best results Modefa Non-Slip Cotton Bonnet Introducing a revolutionary new bonnet: non-slip! The silicone band underneath the front keeps bonnet in place, diminishing the possibility of it slipping back throughout the day. Silicone band should be soft and comfortable enough not to cause irritation or rubbing (unless your skin is very sensitive and prone to irritation).