【 Heat and Steam Resistant 】 Constructed from heat resistant foam , the mat withstands direct steaming without damage . It solves the common problem of warped , lopsided handmade fabrics . A must have for knitting and embroidery enthusiasts 【 Accurate Grid Lines 】 The surface is printed with standard 1inch grid lines for straightforward alignment . It effectively corrects dimensional deviations . Even beginners can precisely control the finished size of their knit and crochet works 【 Versatile Applications 】 Each set contains 9 blocking mats . Ideal for knitting sweaters , scarves and gloves , as well as crochet , embroidery and canvas stitching . It greatly improves the accuracy of fabric shaping 【 Sturdy and Long Lasting 】 This blocking mat is made of high density foam , lightweight yet sturdy with excellent crack resistance . Heat resistant and wear proof for repeated use . Mats can be freely spliced and combined to adjust sizes and shapes , ideal for various handmade blocking projects 【 Complete Accessory Kit 】 Every set comes with a storage bag , 1 pin cushion and 80 positioning pins . Fully equipped to support wet blocking , steam blocking and air drying of finished textiles