
Vacuum Insulated Portable Tumbler Smoke Black
320ml vacuum-insulated commuter tumbler in Smoke Black with a folding carry handle.
- From JapanJP-Direct
- AuthenticVerified
- 10–14 daysDelivery
Keeps drinks hot above 62°C or cold below 11°C for 6 hours in a compact 320ml tumbler with a fold-away carry handle.
About this product
THERMOS's Vacuum Insulated Portable Tumbler JOV-321 is a 320ml commuter mug with a fold-flat carry handle, a size down from the JOV-421 for smaller bags and lighter carrying. The double-wall vacuum body keeps coffee hot or iced drinks cold for hours, with a wide mouth for easy ice refills and cleaning.
How to use
- Rinse with hot or cold water for about a minute before first use to pre-condition the insulation.
- Fill below the max line, close the lid firmly, and fold the carry handle flat when stored in a bag.
- Wash all parts by hand or in the dishwasher; do not microwave the stainless steel body.
Ingredients
- Stainless steel (18-8), inner bottle — double-wall vacuum insulation for heat/cold retention.
- Stainless steel body, acrylic resin coating — scratch- and impact-resistant exterior in Smoke Black.
- Polypropylene, handle & lid (foam PP core) — insulated grip with folding carry handle.
- Silicone rubber gasket — leak-resistant seal.
- Dishwasher safe (all parts) — not microwave safe.
FAQ
Is this tumbler dishwasher safe?
Yes, all parts are dishwasher safe.
Can I microwave it?
No — the vacuum-insulated stainless steel body is not microwave safe.
What is the fill capacity?
320ml (10.8 fl oz).
🇵🇭 For Philippines customers
A smaller tumbler that still fights the tropical heat — 320ml is the right size for a sling bag or school bag, and it keeps calamansi juice or iced coffee cold through a whole commute; the sleek smoke black finish hides scuffs from a crowded jeepney ride.