Durable Tritan Material | Impact And Shatter Resistant | Made In The USA | Hand Wash Recommended | Proposition 65 Compliant | Decoration Is Inserted Between The Clear Double Walls Of The Tumbler Then Ultrasonically Sealed To Provide Double Wall Insulation | BPA Free | Reduces Condensation Eliminating The Need For Coasters | Keeps Cold Drinks Colder Longer And Hot Drinks Hotter Longer | Snap-on, Spill-Resistant Thumb-Slide Lid | Meets FDA Requirements