NoSweat® Golf Hat Liner is a disposable Liner / Sweat Absorber that sticks on the inside of ANY hat, cap or LID and soaks up sweat so you do NOT have sweat dripping down onto your face and into your eyes or glasses while you are golfing. Golfers all over the world are currently using NoSweat® to help them keep sweat off their face and out of their eyes and glasses. NoSweat® Liners Instantly Absorb & Lock Sweat Inside the Product NoSweat®’s patented design and SweatLock technology is engineered to absorb forehead sweat and clear your line of vision while you are on the field... Allowing you to keep your eye on the prize and take your game to a whole new level.NoSweat® also helps you keep nasty sweat stains off of your favorite helmets and hats. No Scent technology helps prevent stains and eliminate odors, keeping your LID Cleaner. Fresher. Longer.100% AMERICAN MADE. Works great in traditional golf hats, bucket hats, sun hats, safari hats, straw hats and many other types. Instantly Absorbs/Wicks Sweat: Keeps sweat out of your eyes, safety glasses, safety goggles or protective safety eyewear. Reduces FOGGING: In glasses, half sheilds and eyewear. Sweat Stain Prevention: Helps prevent NASTY Sweat Stains on your headwear. Hat Saver! No Scent Technology: Reduces Odor Patented Universal Design: Sticks inside the front and/or back of any LID Comfortable: Thin, soft, and lightweight. Hypoallergenic: Helps prevent acne & skin irritation