If you’ve purchased a hat or cap but it is just a bit too large, with this Hat Size Reducer now you can to get a perfect fit! Two 6-inch strips. They are self adhesive on one side with 1/8″ thick foam. To apply, peel the back and place inside your hat’s sweatband where you need it snagged-up. These can reduce about a 1/2 hat size without the hassle of returning the hat. Comfortable, soft and breathable. You won’t even know its there. Used by Professional Hatters. Made in USA.