Thermos Water Bottle Vacuum Insulated Portable Tumbler w/ Carry Handle JOV Series Dishwasher-Safe Direct From Japan

【Product Features】① Material: Inner liner/outer wall are both 304 stainless steel; cup body has an acrylic resin coating; lid/handle is made of polypropylene (PP); sealing ring is made of food-grade silicone, BPA-free.② Heat retention: ≥68℃ for 6 hours (JOV-421); ≥62℃ for 6 hours (JOV-321).③ Cold retention: ≤10℃ for 6 hours (JOV-421); ≤11℃ for 6 hours (JOV-321).④ Structure: Double-layer vacuum insulation, no condensation on the outer wall, prevents burns and moisture buildup.⑤ Portable design with foldable handle: The lid integrates a soft folding handle, which lies flat when not in use, saving space; can be carried by hand or attached to a backpack strap.⑥ Wide mouth design: Approximately 5.5cm in diameter, easy to add ice, easy to clean, suitable for coffee/tea/beverages, providing a smooth drinking experience.⑦ Leak-proof and drip-proof: A screw-top lid with a special silicone sealing ring ensures a leak-proof seal, preventing dripping when pouring. 【Cleaning and Durability】All parts are dishwasher safe: The cup body, lid, and sealing ring are all machine washable, with easy disassembly and no hard-to-reach areas. 【Appearance】Matte frosted texture: The cup body is wear-resistant, fingerprint-resistant, and comfortable to hold. 【Model Differences】(JOV-321 vs JOV-421)Capacity: JOV-321 (320ml); JOV-421 (420ml)Heating: ≥68℃ for 6 hours (JOV-421); ≥62℃ for 6 hours (JOV-321)Cooling: ≤10℃ for 6 hours (JOV-421); ≤11℃ for 6 hours (JOV-321)Choose JOV-321 (320ml): For ultra-compact design, small bag/pocket, daily commuting, and short-term single-person use.Choose JOV-421 (420ml): For larger capacity, all-day drinking, office/outdoor/long-distance travel, and slightly better heating performance. 【Usage Instructions】①Pre-cooling/Preheating (Enhancing Performance):②Cooling: Add ice water first, let stand for 5 minutes, then empty the container and fill with cold drinks.③Keep warm: First add hot water, let stand for 5 minutes, then empty the container before filling with hot drinks.④Filling: Do not fill beyond the maximum mark (to prevent overflow and maintain a tight seal).⑤Sealing: Tighten the lid to ensure a complete seal and prevent leaks.⑥Carrying: Unfold the handle to carry or hang on a bag; fold for storage when not in use.⑦Drinking: Unscrew the lid and drink directly; the wide mouth design is suitable for coffee, tea, juice, and ice water. Tips: Do not microwave, do not use steel wool, do not fill with dry ice/carbonated beverages (high pressure risk). Country of origin: China(To reduce production costs, Japanese brands relocate some production lines to other countries. This is normal for a brand's global production layout, so please rest assured that the product quality meets Japanese standards.)