Everyone sleeps better when it's dark - even big, tough hockey players!! Officially licensed Boston Bruins cotton fabric is on the top side of this awesome mask. Your choice of soft black fleece, silky black satin, or soft dark gray cotton knit is on the back. Pattern placement will vary. Product is legally handmade with authentic NHL fabric and is not a licensed product, nor is onetwothreejump affiliated with the NHL or the Boston Bruins in any way. Size: Mask is about 8 inches by 3 inches from center. Elastic measures about 12.5 inches. Sized for an average adult/teen with a head of about 21-23 inches.