4Pcs Blocking Mats for Knitting, Extra Thick Crochet Board with 100 T Pins & Grids Lines Precise Blocking, Reusable Foam Crafts Beginner Knitting Lover 12x12 inches

[Quality Thick EVA Foam Material] This foam blocking board is made of thick and dense EVA foam, durable and lightweight, and the pins can insert deeply into the foam to keep your knitting, crochet, needle tips or shoelaces stretched tight. The thickness of the pad will ensure that it will not scratch the table when using pins. [Grid Lines Design] This foam blocking board features a grid line design that allows for precise blocking. The grids markers allow you to align both sides of your project and align the blocks to get an accurate, professional panel. [Heat Resistant & Steam Resistant] Our foam blocking mats are made of heat resistant material with grid line design, which is heat and steam resistant, and can be safely steamed out of the baffle without damaging it. [Can Be Assembled] This foam blocking board can be assembled into many different sizes and shapes and is easy to put together and securely fasten in place to fit your project. [What You Get] The set contains 4 foam knitting blocks, and 100 smooth T-pins for your easy use in knitting.