16 5/8" x 8" for the front and back
16" x 4" for the batting (or felt, fleece, whatever)
10" x 3" for the velcro strap
1 1/2" length of sew-on velcro
Hopefully the pictures make sense....if not leave a comment and let me know what doesn't make sense. :-) Click on each picture to see it larger.