2x NUK Small Learner Tritan Cup 5 oz Months Free Spill Proof Sippy Hearts Pink The 2x NUK Small Learner Tritan Cup in 5 oz size is a spill-proof sippy cup designed for babies and toddlers. The cup features a cute heart-shaped design in pink, making it visually appealing for young children. With its standard form factor and classic style, this cup is easy to use and perfect for feeding. The NUK brand is known for quality baby products, ensuring durability and functionality. This set includes one cup, specifically the model number 69864, and is suitable for both boys and girls. Perfect for on-the-go use, this sippy cup helps prevent messes while allowing kids to learn and explore their independence in feeding.