Mardili Blocking Mats for Knitting[9-Pack], Extra Thick Blocking Boards with Grids for Crochet Projects or Needlepoint, Knitting Mats with 100 T-pins and A Cork for Storing T-pinsMATERIAL Made of environmentally friendly, odorless and non toxic EVA foam HEAVY DUTY & EXTRA THICK FOAM BOARDS These 9 packs of knitting boards are perfect solution to block your knit or crochet shawls or baby blanket ect. It will be shaped and stayed firmly in place. Our knit blocking mats feature a 0. 65 thick dense foam that allows pin holes to heal every time. PERFECT ADDITION In addition to 9 packs of knitting boards, you will also get a super