Taller than wide, or wider than tall
On this page11
Two hundred and nineteen rows can be ranked by shape
219 of the 251 containers record both a height and a diameter. The other 32 record one or neither and cannot be placed on this axis at all.
Height divided by diameter runs from 0.33 to 3.85
With a median of 0.896, which is below one. So the typical container on this shelf is wider than it is tall, and a mental picture of a jar as a tall thing is wrong here.
The split is 128 to 90
128 wider than tall, 90 taller than wide, and exactly one square. The majority shape is a squat jar.
The tall end is thin
33 rows reach a ratio of 1.5, 18 reach 2, and only 3 reach 3. So a genuinely narrow container is a small minority of this shelf rather than a category within it.
The flat end is thinner still
Ten rows sit at 0.5 or below. Those are round tubs and hinged containers, and they are the only part of the shelf that behaves like a tray.
Material predicts the shape, and strongly
38 of the 44 glass containers that record both dimensions are taller than wide. The same count for PET is 34 of 100 and for polypropylene 18 of 74.
Which is a manufacturing fact showing up as a shelf fact
Glass on this shelf is boston rounds, straight sided jars and hex jars, all of which are formed tall. The wide squat shapes are injection molded plastic jars and tubs.
So choosing glass here is also choosing a shape
Not just a material. A buyer who specifies glass for a flat parts job is asking for the six glass rows that are wider than tall, out of 56 glass rows on the shelf.
And the category field says the same thing a second way
All 128 wider-than-tall rows are jars or tubs. All 19 bottles and both tubes are taller than wide. Category and ratio are measuring the same property from two directions.
The two extremes are worth naming because they bound the shelf
A 5.5 mL polypropylene lip balm tube at 2.375 by 0.617 inches, a ratio of 3.85, and a polypropylene round tub at 1.5 by 4.5, a ratio of 0.33. Nothing on this shelf is narrower or flatter than those.