3 Mil.
When sandblasting up to 1/8 inch deep on glass. 10 sheets per box. Each sheet 10" x 12".

5 Mil.
When sandblasting deeper into glass. This is also recommend for ceramic, light etching into stone, and multi-stage blasting. 10 sheets per box, each sheet 10" x 12".

10 Mil.
Recommend for deep carving into ceramic, stone, and multi-stage blasting. 10 sheets per box, each sheet 10" x 12".

*Designs not included