TECHNOLOGY: TempShield(TM) protected sweat-free finish keeps hot beverages hot up to 12 hours and cold drinks cold and refreshing for 24 hours Made from extra durable 18/8 pro-grade stainless steel that ensures pure taste and no flavor transfer FEATURES: Double-wall vacuum insulation Comfortable finish provides a soft-to-touch exterior for a cozy grip Closeable press-in lid delivers heat retention and slides open to drink or add a straw Lid helps prevent spills and splashing Stainless-steel collar and curved bottom-edge radius Handwash or clean with non-abrasive brush Wash before first use BPA free and phthalate-free