FuturePlusX Christmas Hat Beanie, Light Up Ugly Beanie LED Snowman Sweater Knit Cap Knitted Beanie Ugly Sweater Winter Colorful.The fabric is 100% acrylic and is soft and comfy.This is great for Christmas parties , get together.The hat is very festive,ow-energy LED light and large capacity button battery, which can keep working for around 70hrs, never missing the important time in festival.The batteries are included.