325 yards for each mat
A = 12.4” square
B = 14.75 x 18.75” - sort of a diamond shape, not straight-sided rectangle

Glossy crochet cotton or fil d’Ecosse size 20, 570 yards white and 80 yds ecru
White satin ribbon 1/4” wide, 1 5/8 yards

Mat A - 25 motifs
Mat B - 63 motifs
join as you go with edging afterward

Pattern 12, page 27, Advanced