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When choosing an insulated bottle for commuting or outings in the U.S., it is worth comparing not only capacity but also the number of parts you have to wash, how it fits in your bag, and the shape of the mouthpiece. Zojirushi’s SM-KHE48 is a stainless mug that the official U.S. site lists as 16 oz / 0.48 L.
This article is a pre-purchase guide based on manufacturer information. Because we have no purchase history or hands-on impressions from the operator, we do not publish a review of actually carrying it, our own leak or heat-retention tests, or a star rating.
First, check the capacity and dimensions
| Item | Specs listed on the official U.S. site |
|---|---|
| Model | SM-KHE48 |
| Capacity | 16 oz / 0.48 L |
| Dimensions (W × D × H) | 2-5/8 × 2-7/8 × 9-1/8 in |
| Interior | 18/8 stainless steel, SlickSteel finish |
| Lid | Flip-open, with a lock to prevent accidental opening |
The same series also comes in 12 oz / 0.36 L, so don’t choose by color alone — check the capacity and model number. Also, if you want to pour in an entire 500 mL drink at once, don’t overlook the difference from the 0.48 L capacity. Follow the maximum fill level in the instruction manual for how much to actually put in.
For commuting, check “Will it fit?” and “Can I wash it?”
The same bottle can fit differently in a bag’s side pocket, a car cup holder or the space where you set it down at work. This article has not checked fit with any specific car model. Our editors’ approach is to compare the dimensions with the places you will actually use it, and to allow room to open the lid.
The official site notes that the stopper comes apart for washing and that the opening makes it easy to add ice. If you use it every day, a practical point to check is not just how large the capacity is, but whether you can wash it at night and have it dry by the next morning. For whether it is dishwasher safe and which detergents to use, check the instruction manual for the model you receive.
How to read the lock and the heat-retention figures
The official site describes the lock as a design that prevents the lid from opening unintentionally. This article does not prove that it will not leak however you carry it. Follow the instruction manual for fitting the gasket correctly, closing the lid and the types of drinks you put in.
Heat- and cold-retention figures are values the manufacturer measures at a set starting temperature and room temperature. In everyday life, the conditions change with how full it is, how often you open it and the surrounding temperature. This article does not translate those figures directly into an experience such as “your drink stays tasty for so many hours on your commute.” If you put in a hot drink, check the temperature before you drink.
If you need replacement parts, use the model number
The official U.S. product page lists related parts such as the stopper set and the lid gasket. Don’t buy parts for a different series that looks similar — match the model number on the bottle against the parts compatibility list. Combinations can differ by color and capacity, so don’t decide based only on an old order history.
If the warranty matters to you, check not just its length but whether it covers heat retention only, or also parts and appearance. A warranty for the U.S. may not apply as-is if you use the product in Japan. Check with the manufacturer for the conditions that match where you bought it and where you will use it.
On Amazon US, search by model name and double-check
The link below is an ad link to search results for SM-KHE48. It is not a link fixed to a single product, and the search results may also show other models and related parts. Before buying, check the model number, capacity, color, seller and return policy. This article does not list fixed prices, stock or rating numbers.
Search for SM-KHE48 on Amazon US and check the model number and price (ad)
When choosing, prioritize that it holds the amount you need, fits where you carry it, and is something you can clean every day. If we are able to confirm purchase and usage information from the operator, we will add long-term impressions and real-world ease of use as first-hand experience, kept separate from the spec overview.
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Official information and sources
Information checked: October 15, 2026. Hours, prices and terms of use may change. Please check the official information as of the day you visit or buy.
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This article is also available in Japanese.
