Essentials By Leisure Arts lightweight foam is ideal for home and school projects, scrapbooking, card making, ornaments, photo frames, door hangers, book marks, home decor accessories, and much more. Not only are they fun and basic embellishments, kids love them. 6mm Sheet 9"x 12" Assorted 15pc- Each 9"x 12" sheet measures approximately 1/4" thick.