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Frequently Asked Questions
It depends which format you choose, and the range is deliberately different. A deep insulated food jar holds heat longest, up to 15 hours. A wide bowl holds temperature for a shorter window because there is more surface area. A box protects and organises, but it only slows the drift instead of holding a temperature. Pick the format by how long the gap is between filling it and eating.
Insulation. A vacuum insulated container maintains the temperature you put in. A standard container holds food and lets it drift to room temperature, which is fine for a sandwich and no use for soup.
Yes, and that is one of the better reasons to buy steel. Insulation works in both directions, so the container that carries soup in January carries salad in July.
This varies by format, so check the individual product page. The sealed jars and latched bowls are built for carrying liquid and travelling on their side. Boxes are built to protect rather than to seal.
Yes to both across the range. Stainless steel construction also means nothing warps in a dishwasher, which is the usual reason plastic containers stop sealing properly.
Match it to a real portion rather than to a number. Most people who buy the smaller option wish they had gone one size up, particularly if the container is carrying a main meal rather than a side.