First a toddler trainer, this cup then becomes a great tumbler for your growing child. The First Years Trainer Tumblers have a textured surface that's slip-resistant, easier to hold. They come with easy-sip spout lids that help minimize spills; and travel lids that convert a cup to a leak-resistant travel or storage container for milk and juices. Also great for moist food like pudding, fruit and gelatin. Even for dry snacks! Tumble Mates is a complete system of mix and match components for serving, storing and transporting all your child drinks, snack, meals. There are tumbler cups dishes, and bowls in a wide variety of sizes and shapes for a wide range of uses. Plus, there are interchangeable lids, including travel, spout, pop-up spout, straw, snack dispenser. Tumble Mates are easy to clean, easy to stack and store, easy to use. The come in great color; Primaries, tropical bright, and tints. Look for all our Tumble Mates Comminations. There one available for every stage of a feeding! Guaranteed by the First years. If you are not completely satisfied with this product, return it to the First Years, Avon Ma 02322-1171. We'll replace it free of charge and refund your postage cost.