Our black and grey wool felt blends are (20% wool/80% rayon) models PW1xx or (35% wool/65% rayon) blend models PW2xx. Both blends are approximately 2mm or 1/16" thick. Available sheet sizes are: 9" x 12" - $1.15 or 12" x 18" - $1.85. Colors are available in the following yardage sizes - 36" wide ¼ yard (9") - $2.45, ½ yard (18") - $4.75, ¾ yard (27") - $7.15 or yardage - $9.50/per yard. Want to order 1 and a ½ yards just order 1 then a Yardage Plus option comes up and select half yard and we will send one piece. Also if you order 2 half yards you get one piece. We now carry 6 strand DMC cotton floss that is color matched to our wool felts. Note: Colors displayed are made from high quality scans of each color of wool felt and DMC floss. Monitors, screens and printers can change displayed colors.Dye lots can change as well but is rare which we have no control over.