The Welcome On Board Champagne Flute Is Highly Stable Thanks To Its Non-Slip Base. It Is Made Of Tritan™. This Material Is Practically Unbreakable And With Its Shine And Transparency It Will Bring Elegance To Your Table As Well As Remaining Secure During Meals. The Collection Of Non-Slip Glasses Includes The Wine Glass, Champagne Flute And Water And Beverage Glasses, Which All Match The Other Accessories In Non-Slip Tableware In High Quality Melamine With An Unmistakable Nautical Style.- Instructions: This Product Is Designed For Use In Normal Conditions. Suitable For Liquors And For Warm Beverages. Microwave Safe.- Sustainability: Bpa Free Temperature-Resistant. Can Contain Hot Liquids At Temperatures Up To The Boiling Point. Can Be Used In Cold Temperatures And Are Freezer-Safe Diswasher And Microwave Safe. Chemical Resistant And Withstands Harsh Cleaners Sparkling Clarity And Gloss. Impact-Resistant And Shatter-Resistant. Stain And Odor Resistant.Specifications:- Composition: 100% Copolyester (T) - Bpa FreeCare:- Maintenance And Cleaning: This Product Is Dishwasher Safe For Top Rack Only Max Temperature Is 65oc.