The Thermalock™ Tumbler is an ideal companion for those who lead an active lifestyle and need a robust and reliable solution for keeping drinks cool throughout the day. This large-capacity tumbler, featuring a double-walled stainless steel construction, offers impressive durability and temperature retention, maintaining the chill of your refreshments for an impressive 29 hours. The unique THERMALOCK™ technology ensures that your cold drinks stay refreshingly cool, even without the special straw, and the inclusion of a silicone seal in the lid aids in preserving the temperature effectively. An innovative design element of this tumbler is its multifunctional plastic screw cap, which hosts a secure and lockable drinking opening and an additional straw opening, allowing for versatility in your drinking preferences. The sleek matte finish on the exterior not only provides a sophisticated aesthetic but also enhances scratch resistance. The narrow, conical base design makes it compatible with a variety of cup holders, perfect for those on the move. Beyond its functional appeal, the tumbler is easy to maintain, thanks to all components being dishwasher safe. Moreover, it's designed not to retain odors or flavors, ensuring that each drink tastes just as it should. The substantial 1,200 ml capacity ensures you can stay hydrated throughout the day. Additionally, this tumbler offers personalization options, allowing you to add a unique touch, making it an excellent gift option or branding tool. With a bulk availability of up to 1000 pieces within 10 working days, it's the ultimate choice for both personal use and corporate gifts.