The colorful quilt on the left is a charm quilt as no two fabrics are alike. (The two white/grey checks may look alike but are a little different.) It is made from squares. The blue quilt on the right is also made from squares but the fabrics are repeated so it is not considered a charm quilt.
For many years, quilters would exchange charm squares in the mail in order to collect different prints for their charm quilt. Today quilters can purchase groups of charm squares. A charm pack usually consists of 20 – 40 5″ squares.
If you would like to buy a charm pack, click here.