🔒 Multipurpose Clear Plastic Film Canisters with Lids - Ideal for Storing Pills, Film, Keys, Coins, Art Beads, and More! (20 PCS) Review

I'm sure they're good for other purposes, but if you're a teacher hoping to make Alka-Seltzer rockets, they don't seal well and therefore won't burst.

So those are canisters under the foil. So what is there to check? Well, not so much. The price was right for the amount that was included in the package. So everything is fine. They're generally consistent in quality, but the filling isn't anything special. I would call these simple containers but no protective packaging (beyond a simple drop or dust). The seals are not airtight (which is normal) but the seal tightness between the containers is light. Some close well and the lids stay on, some…

I'm sure they make good canisters for other things but if you are a teacher hoping to make Alka Seltzer rockets they don't seal well and will not work therefore not. pop

So these are film canisters. So what is there to check? Well, not so much. The price was right for the amount that was included in the package. So everything is fine. They're generally consistent in quality, but the filling isn't anything special. I would call these simple containers but no protective packaging (beyond a simple drop or dust). The seals are not airtight (which is normal) but the seal tightness between the containers is light. Some close well and the lids stay on, some don't…