SnowStoppers Kid's Nylon Waterproof Snow Colorful Mittens (Lime Green, Small) Outer shell 100% Nylon, Cuff 100% Acrylic, Inner Lining 100% Polyester, Insulation 65% Olefin and 35 % Polyester. Hand wash with warm water, no bleach. Lay flat to dry. Featruing the Patented SnowStoppers Sleeve They Stop the Snow from getting in to the wrist between the coat and mitten They're Fully WATERPROOF & They DON'T FALL OFF China These are for Kids and X-Small mittens DO NOT have thumbs.