100% wool felt comes in thicknesses of 1.2 mm, 2mm, 3mm, and 5mm. Real 100% wool felt is sold by the yard and is quite expensive.

What are different types of felt?

What is thick felt used for?

In addition to different colors and fibers, felt also comes in different weights or thicknesses. Thick felt is often used as padding or insulation, while thinner felt is used in everything from kids' craft projects to millinery (hat-making).