Our 5oz Silicone Sippy Cup is the optimal solution for your toddler's transition from a bottle to their inaugural 'grown-up' cup. Designed to comfortably fit your child's mouth and petite hands, this trainer cup maintains a no-spill promise when tilted—thanks to its superiorly engineered lid, a significant advancement over conventionally sealed sippy cups. This cup eliminates the need for vent perforations. Crafted from 100% food-grade silicone free of BPA, BPS, PVC, latex, phthalates, lead, cadmium, and formaldehyde, the cup ensures safety and purity in every sip. Capable of withstanding extreme temperatures from -40°F to +446°F, it is versatile for both icy refreshments and warm beverages. The inclusion of lids and a detachable straw simplifies disassembly, ensuring a thorough and hassle-free cleaning process. Embrace the fusion of advanced design and safe materials with our durable, eco-friendly sippy cup.