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When you receive the tumbler, note that the handle may not be pre-installed. However, fret not - a free screwdriver and accessories are provided for a straightforward self-installation process.

When using the tumbler to drink water, it's crucial to ensure the water temperature is less than 60°C (140°F). Avoid aligning the tumbler with your body when switching, as this can help prevent accidental burns.

It is strictly prohibited to place the products near open flames, microwaves, induction cooktops, or dishwashers. Doing so could result in severe damage to the tumbler.

Refrain from adding dried ice, carbonated beverages, soy sauce, soup, or any liquids containing alkaline or acidic ingredients. These substances can potentially corrode the interior of the tumbler.

For cleaning, use a neutral detergent and water. Steer clear of alkaline bleach, chemical cloths, or other harsh cleaning agents, as they may compromise the integrity of the tumbler.

These Stainless Steel Tumblers with Straws are crafted using premium 18/8 food-grade metal, ensuring exceptional durability. Adopting a double-walled vacuum insulation design, they can keep your beverages hot for up to 8 hours and cold for up to 10 hours.

Available in 30 oz or 40 oz sizes, these tumblers feature a non-sweat design that prevents condensation from forming on the surface, keeping your hands dry and providing a secure, non-slip grip.

The tumblers are designed to be cup-holder friendly, with a narrow bottom and a wide mouth that fits most car cup holders. Each tumbler comes equipped with a handle and a reusable straw, making them highly portable and convenient for your daily commute or road trips.

These tumblers make an excellent choice as gifts for teachers, doctors, drivers, or anyone who frequently needs to stay hydrated. They are perfect for celebrations such as Father's Day, Christmas, Thanksgiving, Easter, and more.

The best part? These dishwasher-safe insulated coffee tumblers require minimal effort to clean. Simply place the tumbler and its lids in the dishwasher, and you're good to go.

Whether you're commuting, embarking on a road trip, vacationing, or participating in youth sports, these versatile tumblers are the ideal companion for a wide range of activities, from daycare to field trips and beyond.

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