how do I get the plastic gasket seal that was attatached to lid? lost mine somehow

As of fall of 2016 they were still offering the gaskets. I think I just sent 5 bucks and asked them to send as many gaskets as that would buy. They sent 3 - but not just the gasket but the entire plastic lid as well.

How long many hours will the Thermos keep contents warm? I need to warm the soup, etc and then pack it in a lunch.

Soup and stews stay hot for a long time. I leave to work at 5:30am and have lunch around 1, and it is always hot. When it comes to food that is not liquid or in sauce, like baked fish and veg, it is still warm 7-8 hours later, but not as much as soup and liquids which stay very hot for hours.

I can't decide between two Thermos 16-ounce food jars - the Stainless Steel King or the Stainless Steel food jar (plum or teal colored). Any recommendations on which is better ?

I have the Thermos King and the Thermos Nissan food container, both 16 oz. I don't think you can go wrong with either. Both do a great job of keeping products cold/hot. The Thermos King is a little shorter and wider and the Nissan is slightly taller and narrower. The Thermos King has the lid for the jar (with the fold up spoon) and a stainless steel cap that goes over the lid. The Nissan just has the plastic lid for the jar. The King looks like it might be more insulated (?-guessing here just by the looks and the weight). I have the midnight blue Thermos King and it's a nice color, almost black with a hint of the blue under the light. The Nissan is all stainless steel with a black cap. Regarding the SS Food Jar (plum or teal) I can't say specifically since I do not own this version however, comparing the 2 products I think I would go with the King because it of the 2 lids/caps and the spoon and might be more insulated. The food jar keeps hot for 7 hours and cold for 9 hours. The Thermos King keep food hot for 9 hours and cold for 12 hours.

Is it easy enough for a small child to open it?

The children’s thermoses are easily opened by my kids when they were as young as 6. I didn’t have them when they were 5. But this one would be tougher for a young 6 year old. My 8 year old can do it, and my nearly 7 year old can, also. But the kid ones are easier and you do need to be sure not to tighten them too much for younger kids. We use them weekly and my kids haven’t asked me to open theirs in a long time.

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🥄 Hot or cold, always bold—your meal’s new best friend!

SMART SERVING DESIGN - Insulated lid doubles as a convenient serving bowl—elevate your lunch experience anywhere.
ON THE GO CONVENIENCE - Includes a full-sized foldable spoon stored inside the lid—no extra cutlery needed.
ALL DAY TEMPERATURE LOCK - Enjoy hot meals for 9 hours or chilled delights for 14 hours—your food’s perfect temp, always.
DURABLE STAINLESS STEEL ARMOR - Crafted from premium 18/8 stainless steel for unmatched durability and sleek matte rose style.
COOL TOUCH SWEAT PROOF EXTERIOR - Exterior stays cool with hot contents and sweat-free with cold, keeping your hands comfortable.

The Thermos 16 OZ Stainless King Food Jar in Matte Rose features premium 18/8 stainless steel construction with advanced insulation technology that keeps food hot for up to 9 hours and cold for up to 14 hours. Designed for busy professionals and outdoor enthusiasts alike, it includes a foldable spoon stored inside the lid and an insulated lid that doubles as a serving bowl. Its sweat-proof, cool-touch exterior ensures comfort and style on the go.

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Brand	THERMOS
Capacity	16 Fluid Ounces
Recommended Uses For Product	Hot food, Cold food, Meals, Lunch on-the-go, Outdoor activities
Special Feature	Insulated
Age Range (Description)	All Ages
Item Weight	12.6 Ounces
Material	Stainless Steel
Pattern	Solid
Product Care Instructions	Hand Wash Only
With Lid	Yes
Is Dishwasher Safe	No
UPC	041205751519
Manufacturer	king
Global Trade Identification Number	00041205751519
Country of Origin	USA
Item model number	SK3000RET4
ASIN	B0933GB56P

Thermos 16 OZ Stainless King Food Jar (Matte Rose)

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