safe and TYESO Tumbler with vacuum large stainless water coffee direct removable lid for black [Dishwasher leak-proof] lid, insulation, capacity,

LEAK-PROOF DESIGN: The 600ml and 750ml high-quality stainless steel tumblers feature an innovative leak-proof design with an internal sealing ring to keep your beverage safe on the go. Take the hassle out of traveling with this tipless tumbler. EASY TO CLEAN: The flip-top tumbler has a removable lid for hygienic cleaning. Whether you wash it in the washing machine or by hand, this tumbler's design is very convenient. SUPER INSULATION: Our tumblers have excellent insulation to keep your drink at the right temperature. Fill with 100°C boiling water and it will keep the temperature at 66°C or higher for 6 hours. Fill with 0°C ice water and it will keep the temperature at 5°C or lower for 12 hours. Perfect for keeping your drink at the temperature you want! Versatile and practical: The tumbler's wide round mouth is not only suitable for direct drinking, but also can be used as a large-capacity insulated cup for drinking hot or cold drinks. Perfect for coffee lovers and outdoor sports enthusiasts. PERFECT GIFT CHOICE: This stylish and practical flip-top tumbler is the perfect gift for friends and family, perfect for birthdays, holidays, or anyone who appreciates high-quality, practical beverages. Introducing our 600ml and 750ml leak-proof stainless steel thermal mugs! Featuring a unique anti-shake base and flip-top lid design, this high-quality insulated mug not only ensures optimal temperature retention, but also boasts a stylish design. Whether you're drinking your morning coffee or staying hydrated during exercise, this insulated tumbler will keep your beverage at its best. Practicality and elegance combine to make everyday beverages even more enjoyable, making it an ideal gift.