KEEP DRINKS COLD FOR 18 HOURS: Whether it's a hot day at the park or a long day at school, this kids tumbler maintains your child's favorite drinks at the perfect temperature; dual wall vacuum insulation ensures that water, juice, and more stay refreshingly cold, making hydration enjoyable all day long. | KID-FRIENDLY HYDRATION: Perfect for little hands, this insulated kids cup with a handle and reusable silicone straw includes free stickers to add a fun, personalized touch; its spill-proof straw resists chewing, ensuring an enjoyable, mess-free experience at home or on the go. | GROWS WITH YOUR CHILD: Transition seamlessly from toddler to big kid with this versatile kids tumbler featuring a patented 3-in-1 lid for sipping, drinking, or gulping; the spill-proof design and durable materials ensure it withstands daily adventures while adapting to your child's changing hydration needs. | SPILL-PROOF FOR KIDS: Say goodbye to messy spills with this kid-friendly tumbler! Featuring a leak-resistant 3-in-1 lid and a secure, spill-proof straw, it’s perfect for little hands and active lifestyles. Whether on a car ride, in a stroller, or during playtime, this tumbler keeps drinks contained and surfaces dry, ensuring a mess-free experience wherever they go. | EASY TO CLEAN AND SUSTAINABLE: Features a wide opening for easy filling and cleaning; top rack dishwasher safe and made wholly from BPA-free, 18/8 stainless steel that’s fully recyclable-good for your family and the planet.