【Freely Splicable Blocking Mats With Pins】Each crochet board in CraftyManor crochet blocking mat set can be spliced together at will, and the gridlines combine perfectly. You can put them together into different shapes as you need. The 5-piece set comes with 50 stainless steel T-pins 【Dirty-Resistant and Beautiful Color】 CraftyManor has chosen a more stylish color for this blocking mats for knitting & crochet projects. This is to counteract the problem of white mats that tend to get dirty and yellow over time 【Standard Size Without Deformation】 The size of the blocking board for crocheting is 12''*12'', and the size of the grid lines is stand