Spill-proof spout is valve-free; It is easy to sip from Have cup; will travel! Our popular Take & Toss cups are perfect for when you're on the road. They're durable enough to use over and over, yet affordable enough that you won't derail your journey if you lose the cup along the way. The colors your child will love, and you'll love the snap-on, valve-free, spill-proof, interchangeable lids that are easy to clean. Plus, a bonus travel cap means less spills along the way. Happy trails!