Features: Dent-resistant design is made with 18/8 stainless steel and is protected by a durable outer shell (TPE material) Flip-up straw spout makes hydrating easy while being leak-proof and spill-proof when closed Double-walled insulation keeps the outside dry and drinks cold for 24+ hours Personalized I.D. Badge provides space to write your name and make it your own Odor-resistant and stain-resistant Straw brush included Top-rack dishwasher safe BPA-free Designed for kids 3+ Choking Hazard: Small Parts. Not for use by children under 3 years Dimensions: 2.95 in. W x 7.99 in. H Empty Weight: 11.2 oz.