BENEFITS OF BLOCKING MATS WITH GRIDS Blocking mats with grids make knitting easier and more accurate. Our blocking mats for crochet and knitting provide a waterproof surface for blocked on pieces to dry. Use these blocking mats for a durable and reusable pinning surface. Many knitting connoisseurs believe blocking your knitting projects is the essential final step in finishing your project and should not be skipped.Our blocking mats help you complete your knitting and crochet projects easily and with more accuracy. Blocking mats designed in a 12”x12” jigsaw puzzle shape and are 0.7” thick. We’ve numbered our knitting block mats 1-9 so you can easily put them together to create an even and consistent 36”x36” blocking surface. Individual 12”x12” blocking mats work great for small projects, while piecing all 9 blocking mats together work great for a larger project.Package Includes:9 Interlocking 12" x 12" foam mats, 0.7 inch thick A bag of 100 Stainless T-PinsEach mat has a 1 inch grid printed on one sideZippered non-woven Carry Case with HandlesJust click on the “Add to Cart” button and get your crochet accessories kit now!