• Premium Quality Borosilicate Glass & all parts recyclable：Our tronco 18oz glass water tumbler is made of premium borosilicate glass which is BPA free and withstand suddent temperature change.The glass bottle is perfect for every scenario,working out in the gym,at home,or in office.
• Durable And Splash-Proof ：The bamboo lid prevents splashes for on-the-go.The lid is wrapped with silicone that helps to prevend the lid from molding.This glass bottles contents NO plastic and absolutely enviromental friendly, surely it will become your perfect daily hydrating companion.
• Reusable Straw And Silicone Nozzle: the glass cup comes with one stainless steel straw, 2 pieces soft silicone tips to assemble on the straw, one straw tip is for boba tea,the other straw tip is for water,slushie,milk,iced coffee,smoothie,cold tea,milkshake,juice,and more your favorite cold drinks
• Protective Silicone Sleeve: Runway design silicone sleeve, while providing anti-slip ability for better grip, you can also see the volume of liquid in the glass cup.All parts are BPA free. The sleeve and lid seal are made of food-grade silicone.
• Fit in car cup holder & Dishwasher Safe：Wide mouth for easy clean up. Tumbler is dishwasher safe. Hand wash the lid to prevent warping. No need to remove silicone sleeve for cleaning.