Some friends have called to inquire about the sizes of pressure measurement films, which was inadvertently missing from our website product descriptions. Here, we provide a detailed reply and will update the product pages accordingly.
The pressure measurement film sizes are as follows:

These are the four commonly used sizes we currently provide.
Regarding packaging dimensions, the outer boxes for 1L–3L are the same size, while the 4L packaging is larger. Each product is a double-layer type, meaning each box contains two rolls, individually packed in black and blue bags.
This information gives an initial understanding of the sizes of our pressure measurement films. We will update the product pages with complete size details as soon as possible.
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