Navy Glow-in-the-Dark Triceratops Swing Dress - Toddler & Girls. Make your little one simple to spot by day and night alike with this soft tri-blend dress that features a clever glow-in-the-dark graphic. She'll love the way the skirt swings with her every step. Â 50% polyester / 37% cotton / 13% rayon Machine wash; tumble dry Imported Shipping note: This item is made to order. Allow extra time for your special find to ship.