... Features:1.Use the borosilicate glass as material, clear, eco-friendly, good-touch feel.2. Expansion coefficient:3.33.Resist ... when serving wine, beer, coffee, tea, and even kid-friendly beverages such as milk, juice, or hot cocoa.Detail ... & inspection & packingBuy With Confidence, All Items Brand NewWelcome to your kind inquiry , dear friend! bake LOGO eco-friendly heat resistant glass teapot