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What meal prep actually asks of a container Our temperature range field answers it And it takes exactly four values here The largest group tops out at 120 F So most of this shelf is cold storage only The heat-tolerant group has a cold problem The -100 to 190 F group is the compromise Which leaves two containers Two of 176 on a shelf named for meal prep Catalog-wide the field takes nine values A temperature range is not a safety claim But a 120 F ceiling settles one thing References

-100 to 300 F, on two containers.

What meal prep actually asks of a container

To go into a freezer, come out, and be reheated. Which is a span from well below zero to well above boiling.

Our temperature range field answers it

Published on all 176 containers in this group, which is complete coverage and unusual for any field in this catalog.

And it takes exactly four values here

-40 to 120 F on 109 containers, 0 to 240 F on 45, -100 to 190 F on 20, and -100 to 300 F on 2.

The largest group tops out at 120 F

109 of 176, which is 62 percent of the shelf. 120 F is below a hot dishwasher and far below a microwave.

So most of this shelf is cold storage only

Which for leftover storage and lunch portion is adequate, and for meal prep home is half the job.

The heat-tolerant group has a cold problem

45 containers at 0 to 240 F. 240 F will take a microwave, and a floor of 0 F is a domestic freezer temperature exactly, which makes it marginal rather than comfortable.

The -100 to 190 F group is the compromise

20 containers. Deeply cold tolerant and 190 F, which is hot tap water and not a microwave.

Which leaves two containers

-100 to 300 F. The only rating on this shelf that spans a freezer and an oven, and there are two of them.

Two of 176 on a shelf named for meal prep

Which is the finding, and it is a genuine measurement rather than an impression.

Catalog-wide the field takes nine values

So the four here are a subset, and other shelves carry ratings this one does not.

A temperature range is not a safety claim

It is not a statement that a container is microwave, dishwasher or oven safe. Only a manufacturer makes those, and the pages say so.

But a 120 F ceiling settles one thing

A container rated to 120 F is not going in a microwave whatever else is true, and that is 109 of the 176.

References

The Davis Pack Supply catalog, measured 19 October 2026. A temperature range specification is published on all 176 containers in this group and takes exactly four values: -40 to 120 F on 109 containers, 0 to 240 F on 45, -100 to 190 F on 20, and -100 to 300 F on 2. So 109 of 176 top out at 120 F. The cold-tolerant groups stop at 120 or 190 F and the heat-tolerant group bottoms out at 0 F, so only the 2 containers rated -100 to 300 F span both a freezer and an oven. Catalog-wide the field takes nine values. A temperature range is not a statement that a container is microwave, dishwasher or oven safe; only a manufacturer can make those.

The Davis Pack Supply catalog, measured 19 October 2026. 421 rows: 176 containers and 245 closures. 125 to 7,571 mL with a median of 473. 109 PET, 45 PP, 20 HDPE and 2 glass. 129 jars, 24 tubs and pails, 23 bottles. 83 PET single wall jars, 18 PP single wall jars, 16 PP round tubs, 6 double wall round base jars, and 5 each of plastic square grip containers, double wall straight base jars, PE wide mouth containers and PET packer bottles. 52 clear, 44 white, 24 natural, 20 amber, 16 black, 11 blue, 7 green, 1 dark amber. Necks: 75 at 89-400, 31 at 70-400, 25 unrecorded, 9 at 110-400, 7 at 53-400, 5 at 120TT, 4 at 120-400, 3 at 100-400. Closures: 174 continuous thread polypropylene lids, 29 metal or aluminum CT caps, 16 dome lids, 11 round tub lids, 5 sealing discs, 3 plastic round pail lids, 2 phenolic, 1 plug seal lid, 1 metal lug or twist cap, 1 tamper evident lid. Buyability, a snapshot: 105 of 176 available, 71 not; 72 quote only; 18 full case only, with case packs from 16 to 3,150 and a median of 208.

Written from 21 CFR 107.20(c) and from the catalog as it stood on 19 October 2026. Nothing here says what other federal date labeling requirements exist, how long any leftover keeps, or whether any container is microwave, dishwasher or oven safe: a published temperature range is not one of those statements and only a manufacturer can make them. The temperature range field is published on all 176 containers in this group and takes four values, of which only one, on two containers, spans a freezer and an oven.