Containers

The small end

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The distribution So the shelf is not a small-object shelf The smallest is 5.5 mL Though for a single long thin object it would work The two after it are the on-category articles Half an inch tall is a specimen box And the clear one shows the object Two of them, out of 245 Then four double wall jars at 14.8 mL And four glass boston rounds at 15 mL Which is the useful observation about the small end Then 22.2 and 29.6 mL, and a gap Read the diameter, not the capacity References

5.5 mL, 0.617 inches across. The narrowest container measured anywhere here.

The distribution

245 containers from 5.5 to 500 mL with a median of 177. 16 under 30 mL, 7 under 15, 3 under 10.

So the shelf is not a small-object shelf

47 containers at 237 mL and 44 at 118. The bulk of it is a jar for a handful of something rather than a case for one thing.

The smallest is 5.5 mL

A white polypropylene lip balm tube, 2.375 inches tall and 0.617 inches across. Which is a lip balm tube and not a collectible container.

Though for a single long thin object it would work

A pin, a needle, a small key. The shape is wrong for a badge and right for something slender.

The two after it are the on-category articles

Polypropylene hinged containers at 7.4 mL, half an inch tall and 1.5 inches across, in black and clear.

Half an inch tall is a specimen box

A shallow case for one flat object, which is what a pin badge, a vintage button or a game token wants.

And the clear one shows the object

Which for a collection is the point. The black one does the opposite and is presumably for display contrast.

Two of them, out of 245

Which is the honest count for the leaf shape this group is mostly made of.

Then four double wall jars at 14.8 mL

Frosted, black and white polypropylene, about 1.27 inches tall and just under 2 inches across. Shallow and wide.

And four glass boston rounds at 15 mL

Amber, clear and blue, around 2.5 inches tall and 1.1 inches across. Tall and narrow, the opposite proportion at the same capacity.

Which is the useful observation about the small end

Capacity does not describe shape. Two containers at 15 mL can be a shallow dish or a narrow vial.

Then 22.2 and 29.6 mL, and a gap

After 29.6 the next size is 59 mL. Nothing between 30 and 59, which is where a mid-sized collection container would sit.

Read the diameter, not the capacity

Published on 218 of 245 containers from 0.62 to 4.62 inches, and for an object of known size it is the field that decides.

References

The Davis Pack Supply catalog, measured 19 October 2026. Of the 245 containers in this group, capacity runs 5.5 to 500 mL with a median of 177, and only 16 are under 30 mL, 7 under 15 and 3 under 10. The smallest is a 5.5 mL white polypropylene lip balm tube, 2.375 inches tall and 0.617 inches across, which is the narrowest container on any shelf measured in this library. The next two are a pair of polypropylene hinged containers at 7.4 mL, 0.5 inches tall and 1.5 inches across, in black and clear. Then four polypropylene double wall round base jars at 14.8 mL and four glass boston rounds at 15 mL. The shelf then climbs away, with 47 containers at 237 mL and 44 at 118.

The Davis Pack Supply catalog, measured 19 October 2026. 533 rows: 245 containers and 288 closures. 5.5 to 500 mL with a median of 177. Height is published on most containers from 0.5 to 6.75 inches and diameter on 218 from 0.62 to 4.62 inches. 117 PET, 78 PP and 50 glass. Closures: 179 continuous thread polypropylene lids, 42 metal or aluminum CT caps, 22 dome lids, 17 metal lug or twist caps, 9 sealing discs, 6 round tub lids, 5 phenolic, 2 metal overshell lids, 2 lip balm tube caps, 1 plug seal lid. Buyability, a snapshot: 153 of 245 available, 91 not, 1 unrecorded; 59 full case only, with case packs from 12 to 6,370 and a median of 282.

Written from 16 CFR 1500.19(b) and from the catalog as it stood on 19 October 2026. Those statements attach to toys and other articles intended for use by children, and nothing here determines whether any product is one; the same marble sold to an adult collector sits in a different regime. The prominence, type size and symbol requirements elsewhere in the section are described rather than quoted, and the small parts test method is covered in the model parts property. No container prevents a choking hazard.