MJ Boutique's 100% cotton Skull Bandana FULL Mask Costume MJ Boutique Brand MJ Boutique's Exclusive: Only MJ Boutique manufacture 100% COTTON for this bandana. Color: Black. Size: 29in Wide. One size fits most. Use mostly for Snowboarding, biking, paintball, and more. Great for wind and sun protection. Double layers with cut out for eyes. Material: 100% Cotton. Lightweight. High quality.