SAFETY AND DURABLE: Our coffee mug is made of durable borosilicate glass, The silicone sleeve and PP lid are Food-grade and BPA-free. It’s free from toxins and chemicals, will not taint the flavor of your coffee. It is totally food-safe and long-lasting. And the glass bottle is also 100% safe and lead-free for keeping food fresh in a healthy way.FLIP TOP LID GLASS CUP: Press-type open lid design - Press by the finger on the lid, then it will pop up easily. If you push under the button to lock the bottle mouth, then it can prevent accidentally touching the switch. The top lid with handle can make you carry the cup easily, and the handle can be hidden on the lid. The top lid with strainer can help you filter out tea bags, coffee bags, lemon slices, etc.WIDE MOUTH GLASS TRAVEL CUPS WITH SLEEVE: This glass travel cups come with wide mouth that enough to fit ice cubes, also easy to clean. Colorful silicone sleeves prove a no-slip grip. Anti-slip silicone sleeve design also protects your hand from temperature burning.LEAKPROOF & PORTABLE: Our iced coffee cup is good for you to take anywhere. Drinking jar lid with a seal ring makes it 100% leak-proof. Portable to carry around in bag or car cup holder. Good choice for home, office, bars, restaurants, travel, camping. Perfect gift for bachelorette parties, Birthday, Valentine's day, Mother's day, Father's day, Thanksgiving day, Christmas day or any occasion.MULTIFUNCTIONAL TUMBLERS: TKK coffee travel mug is designed for enjoying your favorite beverages on-the-go. Whether you drink smoothies, iced tea, juices, or water, everything tastes better in glassware. Dishwasher-safe. The reusable 14 oz glass jars drinking tumbler mug can be your go-to everyday mug for travel, on-the-go.