Feature1: The waist band is elastic and it's easy on and off, and can fit a variery of shapes and size. Satin covered waistband for added comfort.2: Layered ballet tutu with led lights, made of high quality materials, with vibrant colors, soft and comfortable to wear.3: The lights looks bright and awesome at night, and gives a great Illumination of the neon skirts.4: Two button cells included. The battery is with ON/OFF switch in a small plastic box at the waistband. The led lights last long.5: Eye-catching spiderweb tutu skirt that won't easily fall off ,Great for costume parties, holiday events, marathon runs, and more.6: Hat and magic wands :Powered by butoon batteries (included and replacement) Specification for Small Size skirtTile Waist:38cm(can strech to 70cm) .Skirt Length:About 28cm .One size fits for 2-8 years old children. Powered by 2 x button batteries (included and replacement) . Light mode: Burn on . 3-layers skirt. Note: If the weight of 7-8 years girl is fatter, the skirt may be smaller. Suitable for normal 2-8 body weight. please check the waistlineSpecification for Large Size skirtOne size fits for adult Skirt Length:About 40cm. Tile Waist:60cm(can strech to 110cm). for Teens or adult womenPowered by 2 x button batteries (included and replacement) . Light mode: Burn on . 3-layers skirt.