Introducing the UBMOM Premium K-Baby Sippy Cup with Straw—crafted in Korea from BPA-free, premium grade PPSU with zero microplastics. Featuring our patented Backflow Prevention Disk, it's fully leak-proof—even when shaken or turned upside down. Built to endure repeated sterilization, it also includes a 360° rotating handle to help prevent injury from falls. Trust UBMOM, Korea’s premium baby brand, for quality, safety, and peace of mind. Leak-Proof Patented Technology: UBMOM’s innovative backflow prevention disk (polypropylene with rubber edges) guarantees a mess-free experience—no leaks or spills, even when shaken or turned upside down. Made with Safe PPSU Material: Premium grade PPSU—BPA-free and free from microplastics for maximum safety. Heat-Resistant & Durable: Designed to withstand high temperatures and repeated sterilization without compromising quality or safety. 360° Ergonomic Rotating Handle: Specially designed rotating handle reduces wrist strain and prevents injury from accidental drops, ensuring comfort and safety for little hands. Premium Korean Quality: Proudly made in Korea by UBMOM, a trusted K-Baby brand renowned for excellence, durability, and strict adherence to rigorous safety standards. Introducing the UBMOM Premium K-Baby Sippy Cupwith Straw —expertly crafted in Korea from safe, premium grade PPSU material that's BPA-free and completely free of microplastics. This innovative baby cup features UBMOM's patented Backflow Prevention Disk, ensuring a leak-proof experience—no spills even when turned upside down or vigorously shaken! Built for ultimate durability, it withstands repeated sterilization processes without compromising quality. Thoughtfully designed with a 360° rotating handle, it effectively prevents injuries from accidental falls, keeping your little one safe. Trust UBMOM, Korea’s premium baby brand, for exceptional quality, safety, and peace of mind.