- Cold Retention: THERMALOCK dual-wall vacuum insulation keeps drinks cold for up to 10 hours, preventing condensation. - Spill Protection: Features a leak-proof silicone seal around the straw opening and a spill-proof internal valve to prevent messes. - Kid-Friendly Design: Suitable for ages 3 and up, with a soft-grip bottom to minimize slipping and tipping. - Convenient Cleaning: The lid and body are top-rack dishwasher-safe, and the straw twists apart for easy cleaning. - Travel Ready: This 12oz tumbler fits most car cup holders, making it ideal for on-the-go use. - Safe Materials: Constructed from BPA-free materials for peace of mind. Model: 2108137