Beautiful to the bone, this costume brings an added layer of fun with a frilly light up tutu. DETAILS THAT MATTER This stunning costume was created with attention to every tiny detail so it's realistic and fun to wear. This unique costume lights up with soft white LED lights on the skirt (only the front of the costume has lights) and includes 1 battery packs, which is a fun addition that keeps them visible at night. Our costume is finished in garment-quality stitching and construction so it can be handed down to siblings and worn for years to come. Costume is made of 100% polyester knitted lame and tulle. Lining is 100% polyester. Tutu features 5 layers of tulle which is lined with 100% polyester. Costume is yarn-dyed – fibers are treated individually with environmentally safe dyes before weaving to offer vibrant, lasting colors. Undergarments are not included. KEY PRODUCT POINTS Pottery Barn Kids exclusive. Battery operated; includes 2 cell batteries. Battery box is located on tutu and has on/off switch and can run lights up to 6 hours. 🎃🎃🎃🎃🎃🎃🎃🎃🎃🎃🎃🎃🎃 Smoke free home Very fast shipping