Product Description Feature: High quality borosilicate glass, which is stronger and more durable than other glass, has a high tolerance for temperature fluctuations [between -20℃~120℃ or -4℉~248℉] so as to safe to use and won’t break or shatter easily. All materials areguaranteed food grade, BPA-free, odor-free and pollution-free. Can go right in your dishwasher. 【Environmental Friendly and Humanized Design】: This glass cup comes with genuine Bamboo Lid with a tight-fitting seal to avoid spills, an eco-friendly way and healthier to enjoy your drinks with minimal mess. 【Large Capacity and Ounce Marker】: Capable of holding a full 50oz of liquid, this resuable glass water tumbler with wide mouth allows you to add in ice, fruits and powders to create your favourite drinks, keeps you all hydrated throughout the day at home, in office even on long trips. Say goodby to frequent refills. Ounce marker on the sleeve help you track water intake, which is particularly helpful for those who struggle to drink enough water throughout the day. STURDY HANDLE- This reusable coffee cups have ergonomic handle, so you can easily hold the cup, no matter if the cup is cold or hot, you can use the handle to avoid irritation of your hands. The glass water bottle with handle is better to hold and it is not easy to slip from the hand, which is loved by most people. PERFECT GIFT- These multiple-uses glass cups can be used for iced smoothie, dry-hopped brew, traditional cocktails, cold beverages, soda, morning coffee, iced water. Great for Parties or Everyday Use -These tumblers are the perfect glasses for parties, holidays, barbecues, picnics, weddings and more! They also make a great gift for people who loves fun drinks. Product information Material: Glass/Silicone Capacity: 3.1 Pounds Special Feature: Durable,Reusable Package include: 1 x 50oz Glass Travel Mug with Handle 1 x Bamboo Lid 1 x Straw Eco-friendly materials: Our glass coffee tumbler is made of high-grade, thickened glass that is BPA-free and eco-friendly. The natural bamboo lid and straw are also sustainable and durable, making it a great choice for the environment. Spill-proof design: The silicone seal and sleeve can be removed for easy cleaning, and the silicone lid seal ensures that your drink won't spill. The silicone sleeve also prevents condensation from dripping everywhere, and the non-slip grip makes it perfect for use in the office or at home. Perfect for iced coffee and drinks: With 50oz capacity, our glass coffee tumbler is perfect for keeping your iced coffee or other drinks cold for hours. The wide mouth allows for easy filling and cleaning, and the reusable 18/8 stainless steel straw wrapped in food-grade silicone is comfortable for sipping. Convenient handle: Our 50oz tumbler comes with an ergonomically designed handle, making it easy to hold and transport. Whether you're on the go or at home, our glass coffee tumbler is a convenient and practical choice. Dishwasher safe: Our sleek and wide-mouth design tumbler is dishwasher safe, making it easy to clean and maintain.