Balance Your Sips with Dragon Style Bring harmony to hydration with this How to Train Your Dragon Night and Light Ying & Yang 16oz Iridescent Glass Tumbler! Featuring Toothless and the Light Fury in a beautifully balanced design, this shimmering glass includes a bamboo lid and glass straw for an elegant, eco-friendly touch. Perfect for dragon riders who love a mix of magic, style, and serenity in every sip.