These are excellent small disposable mixing containers (1 oz size) for the shop. They are graduated in OZ, DRAMS, TBS, and CC. The markings are not crisp but are readable, I rarely ever use them for measuring. These are disposable, not too thick and not too thin. There are no ribs on the inside but the bottom does have a circular raised area in the bottom inside center; it doesn't interfere with epoxy mixing. Material is PolyPropylene (PP), recycling symbol "5". I would recommend these for the shop and would reorder these.
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