Black Satin Hat liner with a lustrous surface and a soft silky comforting feel, Sits beautifully on the hat.
If needed remove excess fabric, Just cut it out easily with a scissor to the desired height, Leave some inch of fabric to go underneath the sweatband. 
Attach it with Elmers school glue, Or just stick it in.
 
Liner Height: 4.75"  (fits 99.9% of hat types)