The 5oz my-my™ sippy cup is the ideal transition for your toddler when he or she is ready to move away from an infant bottle. It is a great compliment to our Kiki® line of stainless infant, sippy, straw, and sport bottles! Like all products from Pura, the my-my™ toddler/sippy cup is 100% plastic-free so you can be sure you are getting the safest, BPA-free and toxin-free bottle on the market. We realize how confusing it can be for parents as they are bombarded with “toxin-free” or “safe” messaging from juvenile brands, especially in light of the new findings on microplastics. We make it simple by eliminating plastic altogether, which is why Pura offers the only MadeSafe® bottles/cups on the market today! (ref MadeSafe press release) Features Zero Plastic… Zero Yuck™: Cup and top are crafted from safe 100% medical grade platinum silicone MadeSafe® Certified: The only silicone cup  line on the market to achieve MadeSafe® Certified status Simple: Constructed with firm silicone which is lightweight, dishwasher safe, and shatter-proof SAFE: 100% plastic-free.  Microplastic-free,  BPA-free, BPS-free, PP-free, Polypropylene-free, phthalate-free and will not leach toxins like plastic bottles and lids because our products do not contain any plastic! Leak-Resistant lid: Tight-fitting lid won’t pop off when the bottle is squeezed Repurpose-able™: Use without the lid for a training cup or the perfect snack-sized cup! Internal volume markings make measuring your child's milk or other beverage a snap. Each ounce is marked and can be seen inside the bottle. Not for use with hot liquids