lante gismu

x1 is a can/tightly sealed/pre-sealed container for perishable contents x2, made of x3.

See also botpi, baktu, tinci.

In notes:

x1 is a bucket/pail/can/deep, solid, wide-topped container of contents x2, made of material x3.
x1 is a bottle/jar/urn/flask/closable container for x2, made of material x3 with lid x4.
x1 is a quantity of/contains/is made of tin (Sn); [metaphor: cheap or base metal].
jau'i (exp!)
attitudinal modifier: extra properly, primly, "by the book" - rushing things, half-assing.