The HAT JACK Hat Stretcher is made from genuine wood and is hand crafted in the U.S.A. This product protects your hat investment by maintaining the hat's size by preventing shrinkage. The HAT JACK absorbs moisture and preserves the leather sweatband. It is great for both felt and straw hats. Never wear a pinching hat again. Instructions for use are enclosed including use for increasing the size of your hat. Threee sizes are Small-Child to 7 1/8, Medium-7 1/8 through 7 1/2 and Large-7 1/2 and up.