The super absorbent fiber weave technology of the towel regulates the water inside and ensures water retention which forms an unique cooling system to keep you from high temperature and overheat. Suitable for most industrial hard hats, improve the comfort of the and letting you relaxed and comfortable in the work. Features -Color:Blue, Black, Dark Blue -Material:Polyester -Size:26.00X12.20X0.20cm/10.22X4.79X0.08in -Keeps perspiration off your forehead and out of your face. Hard Hat Liner can give you a . -The Hardhat Sweatbands is made from , which is supple, comfortable and , and easy to absorb sweat, keep the head dry, and durable, reusable and washable. -Proper size suitable for most industrial hard hats. Hard Hat Sweatband has a . -Made of super breathable material, makes it easy to activate the chilling towel when you simply soak, wring out and . -Excellent production technology makes it comfortable and durable, and can serve you for a long time. Package list: 3 x Hard Hat Sweatbands