◆ Product Name: HAIBEIR 4-Way Wooden Hat Stretcher Unisex Adult One Size Fits All 18cm to 24.5cm, Simple and Easy to Use Available Length Sizes: 7.08” (18.00cm) to 9.6” (24.50cm) Available Width Sizes: 6.02” (15.30cm) to 7.3” (18.50cm) Circumference: 22 inches (56.00cm) to a maximum of 26.7 inches (68.00cm) Stretch your hat to maintain its original shape and prevent shrinkage. Suitable for any hat. Made from genuine wood to absorb moisture from the hatband. Advantages: Unlike standard 2-way hat stretchers, this 4-way hat stretcher can stretch all four sides of the hat, preventing the hat crown from becoming elongated and oval. No stains, tears, or odors.