Zojirushi Steel Food Jar, Medium (Black/Stainless) — Vacuum-Insulated, Wide-Mouth 18/8 Stainless

The Zojirushi Steel Food Jar (Medium) is a vacuum-insulated stainless steel container that maintains hot or cold foods for hours in a compact, travel-ready jar.

Born from Zojirushi’s century-long experience with vacuum technology, this medium food jar pairs a polished 18/8 stainless steel interior with a tight-sealing lid and a simple vent to ease opening after filling with hot meals. Its nonstick-coated interior resists odor and staining, while a 2-1/2-inch wide mouth makes filling, cleaning, and eating directly from the jar straightforward. The compact shape maximizes capacity without taking up much room in a bag or lunchbox.

How long will the Zojirushi jar keep my food hot or cold?

Thanks to vacuum insulation and a well-fitting gasketed lid, the jar slows heat transfer so soups, stews, or chilled desserts hold temperature for hours. Exact times depend on starting temperature and ambient conditions, but typical daily use preserves warmth or coolness through a workday or commute.

• Vacuum insulated steel core reduces heat exchange.
• Tight-fitted lid with gasket minimizes leaks and heat loss.
• Vent in the lid allows pressure release for safe, easy opening.

Is the interior easy to clean and safe for food?

The jar’s polished 18/8 stainless-steel interior is non-reactive and resists rust or staining, and it has a nonstick coating to help remove sticky foods. A wide 2-1/2-inch opening provides good access for hand washing or using a bottle brush; components that contact food are designed to be neutral to taste and smell.

• 18/8 stainless steel construction — durable and sanitary.
• Polished interior with nonstick finish for easier cleaning.
• Wide mouth accommodates utensils and cleaning tools.

What design features make it convenient for everyday use?

The jar’s compact footprint maximizes capacity while fitting easily in backpacks, lunch bags, or cupboards. Dimples on the lid improve grip for opening, and the built-in vent releases internal pressure so the lid turns more easily after filling with very hot contents.

• Compact design: 3-5/8 x 3-5/8 x 6 inches—space-efficient.
• Dimples on the lid provide a better grip to open securely.
• Press-release vent reduces effort to open after hot fills.

What kinds of foods work best in this jar?

The jar is versatile: use it for hot meals like soups, stews, and oatmeal as well as cold items such as yogurt, chilled salads, or desserts. Its nonreactive steel interior suits acidic or savory dishes without affecting flavor.

• Hot meals: soups, chilis, curries, porridge.
• Cold foods: fruit, chilled desserts, salads, yogurt.
• Portable servings for commuting, school, or travel.

Who this is for: This Zojirushi medium steel food jar is ideal for commuters, parents packing lunches, outdoor enthusiasts who want compact thermal storage, and anyone who prefers to bring homemade hot or cold meals on the go. It suits people who value durable, neutral-tasting materials and a design that balances easy cleaning, leak resistance, and temperature retention without taking up much space.

Made in a Zojirushi factory meeting the brand’s manufacturing standards; dimensions: 3-5/8 x 3-5/8 x 6 inches.