Brim core

This is a brim core for handmade hats such as knitted ones.
The result is a perfectly shaped brim.

<Quality composition>
Polyethylene foam
<Size>
Straight type (for adults): Approx. width 22.5cm x depth 5.5cm x thickness 0.09cm
Shape memory type (for adults): Approx. 18cm wide x 6.2cm deep x 0.15cm thick
Shape memory type (for children): Approx. 13cm wide x 4.7cm deep x 0.15cm thick
Round type (for children): Outer diameter 74cm x inner diameter 55cm x thickness 0.1cm