40 oz Stainless Steel Tumbler with Handle & Straw, Keeps Drinks Cold 34 Hours

KEEPS YOUR DRINK HOT OR COLD ALL DAY LONG - With FECBK double-walled vacuum insulation technology, this 40oz tumbler ensures your hot drinks stay hot for up to 12 hours, and your cold drinks stay refreshing for up to 34 hours. Say goodbye to lukewarm sips or watered-down beverages.

SUSTAINABLE AND DURABLE - Crafted from recycled 18/8 stainless steel, this tumbler is built to last, offering years of use. By choosing this reusable tumbler, you make a positive environmental impact compared to disposable cups or plastic bottles.

COMFORTABLE TO HOLD AND EASY TO CLEAN - Featuring an ergonomic handle for a comfortable grip, this tumbler is designed with your comfort in mind. The splash-proof lid ensures no leaks, and the wide mouth makes it easy to add ice cubes and clean.

CUPHOLDER FRIENDLY - The narrow base fits most car cup holders, making it easy to take your drink on the go. Whether you're commuting to work, heading to the gym, or going on a trip, this tumbler is perfect for staying hydrated on the move.

BUILT TO LAST - This 40oz tumbler is built for exceptional performance, eco-friendliness, and convenience. Every component is made from premium materials, providing peace of mind and reliability. With our 24/7 customer service, you can rest assured that you're getting a quality product you'll love.