These three horned monster hats are made of fleece. ⫸ Perfect for: fans, cold weather, costumes, or conventions. Very warm! ⫸ Size: Fits anyone age 5+, one size fits most. Circumference about 24-25 in. ⫸ Care instructions: I recommend hand wash but should be fine in machine wash cold. All hats are made in a smoke-free, pet-free environment. All hats are made with a sewing machine and patterns and designs drawn, cut, and made by me.