Manufacturer Knitter's Pride Manufacturer part number KP800403 GTIN 499995188372 Availability Knitter's Pride Lace Blocking Mats 9/Pkg- -LACE BLOCKING MATS $30.86 Qty: Add to cart Add to compare list Add to Wishes-N-Wants View Knitter's Pride-Lace Blocking Mats. Perfect for flat blocking of knitted and crocheted projects! Can be used individually for smaller projects or joined together for larger projects. This package contains nine 12x12x3/8 inch mats in three colors (three of each color). Imported.