Safety First in True Gundam Fashion The STRICT-G Gundam series face cover is a fashion face cover that uses a double-structured cut-and-sew material and has a moderate elasticity to keep its shape. Each mask has a thread kneaded with silver nanoparticles and a stretch material with antibacterial deodorization, water absorption and allows for quick drying. Choose from six different styles and each with three different sizes! ? It does not completely prevent infection (invasion). ? This product cannot be used for medical or hygiene purposes From Iron Blooded Orphans comes a new facemask with the quote Iron Flower That Never Dies. Mask also bears the symbol of Tekkadan. 3 Sizes Available M: Normal (Length 5.7 in Width 5.9 in) L: Large (Length 6.10 in Width 6.10 in) XL: Extra large (Length 6.29 in Width 6.49 in)