CHEVEN Earl Grey Tea Infuser Tumbler & Double Glass Water Bottle 13oz Ultra-Clear Borosilicate Glass with Spill-proof stainless Lid Double Thermal Insulation Glass with Stainless Steel Steeper INSULATED THERMO DESIGN With Double Thermal Insulation Glass, You can hold the bottle without sleeve even boiled water inside. HEALTHY AND ENVIORMENTAL CHOICE-No peculiar smell: Our glass is made of borosilicate glass (also known as hard glass) which is BPA and lead free Also the lid is made of food grade stainless steel. The crystal grade glass is ultra-clear, sturdy, low inflation, high heat and cold resistant with high chemical stability. NO LEAKAGE DESIGN-The food grade stainless steel with silicone snaps into the top of the bottle. Perfect travel mug for coffee, tea, infused fruit, smoothies and essential oils. EASY TO CLEAN-This bottle has stainless lids on each end which makes cleaning more easily. It allows air flow for natural drying. The product fully disassembles for cleaning in a dishwasher or for easy hand wash. CHEVEN GURANTEE-For whatever reason, If you are not 100% satisfied, simply contact us to return the Tumbler. We will give you a full refund or send you a replacement.