What We Love The 5oz my-my™ trainer cups are the ideal transition for when your toddler is ready to move away from a sippy cup. 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™ trainer cups are 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! Know Better… Do Better™ Features Zero Plastic… Zero Yuck™: Trainer Cups are crafted from safe 100% medical grade platinum silicone Made Safe® Certified: The only silicone cup  line on the market to achieve Made Safe® 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! More ideas! The 5oz size is perfect to use as a small bowl when feeding Baby their first foods or as a perfect-sized snack-cup for any family member! 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