✅ Food-Grade Safe Material for Healthy HydrationThis tumbler features a food-grade 304 stainless steel inner tank, free of harmful substances like BPA and lead, ensuring no heavy metal leaching. It is safe to use with iced coffee, hot drinks, juice, sports drinks and other beverages, without altering their flavor. The high-vacuum insulation layer between the double stainless steel walls provides long-lasting heat and cold retention, preventing burns with hot drinks and condensation with cold drinks, eliminating the hassle of slippery cups and wetting tables or car interiors.
✅ Large Capacity & Long-Lasting Temperature Control for All-Day HydrationWith professional vacuum temperature lock technology, it delivers dual performance for hot and cold drinks, with a large capacity to meet all-day hydration needs:
- Cold Retention: Keeps iced drinks cold at ≤10℃ for 24 hours, ice-cold for up to 48 hours, perfect for summer commutes, camping and gym workouts.
- Heat Retention: Keeps hot coffee/tea warm at ≥65℃ for 6 hours, ≥50℃ for 12 hours, ensuring warm beverages even in winter.
✅ Leak-Proof Flip Lid & Clear Straw for ConvenienceThe upgraded leak-proof flip lid with a food-grade silicone seal prevents spills even when inverted, shaken or jostled, making it safe for driving and sports. The dual-purpose lid allows for direct sipping or use with the included clear straw, ideal for cold drinks. The food-grade clear straw has a smooth, scratch-free edge for comfortable drinking, reusable and eco-friendly.
✅Ergonomic Handle & Car-Friendly Design for Comfortable GripThe ergonomic handle on the side provides a comfortable, secure grip, even during long periods of use, perfect for commutes and sports. The matte black cup body features a scratch-resistant, wear-resistant coating that is fingerprint-proof and scratch-resistant, keeping the tumbler looking new. The cup diameter fits most standard car cup holders, staying stable during commutes and road trips.
✅ Versatile Use for All Occasions & AgesThis tumbler is ideal for daily commutes, office work, home relaxation, outdoor camping, picnics, gym workouts and road trips. With its sleek matte black appearance and practical large-capacity design, it is a must-have for coffee lovers, office workers and outdoor enthusiasts. It is also perfect for corporate custom branding, event giveaways and holiday gifts, as it can be printed with logos for brand promotion.
✅ Durable & Easy to Clean for Long-Term UseThe food-grade stainless steel inner tank is corrosion-resistant and not prone to retaining coffee or tea stains, making it easy to clean with just water and a sponge, with no dead corners. It is also dishwasher safe (check product specifications for details). The cup rim is smoothly polished for a comfortable, scratch-free drinking experience. The thickened non-slip base prevents tipping on desks and car cup holders, extending the service life of the tumbler.
