Pottery Barn Kids Light-Up Stegosaurus Halloween Costume, size 7-8 Dino dreams come true! They’ll light up the night in prehistoric style with our Light-Up Stegosaurus Costume that’s bound to be a dress-up favorite. It boasts battery-operated LED lights in the spikes on the head for a playful twist to their favorite dinosaur design. It’s crafted from a plush material with whimsical, colorful accents like embossed scales and shimmering foil fabric detail. Its colorful plush material is soft to the touch and will keep your little stegosaurus warm and ultra-cozy all day and night long. DETAILS THAT MATTER Two-piece design includes jumpsuit and headpiece. Lights up on the horned tail and is battery-operated (batteries are included). Made of 100% polyester. Fabric on front belly is polyester taffeta. Costume is filled with polyester fibers and polyurethane foam. Zipper closure on back of jumpsuit and Velcro® closure on headpiece.