Durable Tritan™ Material. Impact And Shatter Resistant. Snap-On Lid Included For Easy Storage and Transport. Proposition 65 Compliant. Decoration Is Inserted Between The Clear Double Walls Of The Bowl Then Ultrasonically Sealed To Provide Double Wall Insulation For Hot Or Cold Contents. Microwave And Freezer Safe. Top Rack Dishwasher Safe. Made In The USA. BPA Free. Meets FDA Requirements.