1.✅【Crochet Blocking Mats】: Made with premium EVA material using advanced cross-linking foaming technology for uniform cell structure, excellent resilience and long-lasting durability. 2.✅【Crochet Blocking Board】: EVA material is waterproof and heat-resistant, making it ideal for dry, wet, or steam setting in knitted crafts. The slight new-material smell from the freshly opened EVA mat will fade with proper ventilation. 3.✅【Interlocking Blocking Mats】:Interlocking design allows you to flexibly combine and expand the mats according to the size of your crochet & knitting project. 4.✅【Blocking Mats for Knitting & Crochet Projects】:Set includes 9 mats. Each mat measures 12×12 inches with no measurement markings. Ideal for medium to large knitted projects that do not require precise measuring. 5.✅【ELSIER Blocking Mats】:These mats are fully reversible. To ensure smooth assembly, maintain a consistent orientation. If you experience alignment issues during assembly, flipping the mat will resolve the issue instantly. ELSIER Interlocking Blocking Mats, 12”x12”, 9 Pack, Knitting Blocking Mats, Crochet Blocking Board, Blocking Mats for Knitting & Crochet Projects