From Lazy Girls Designs, four 10in squares of Stiff Stuff Firm interfacing.
Firm, flexible, sew-in, non-woven support for small to medium crafts. Perfect to add a little structure to your next craft project without added bulk or weight. 10 in x 10 in, (25.4 cm x 25.4 cm), 100% polyester, non-woven, machine wash, dry low. Made in USA. Perfect size to use with layer cakes.