8 oz Natural HDPE Square Bottle - 38/400

Overall rating: 5.0 / 5 from 3 reviews.

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Are you able to use these with your pearl body wash or will the leak?

You can add the pearl body wash to this bottle it should not leak if the cap is on.

when fitting the recommended size shrink band on here ( using the black lids for these,) and then using the heat gun, they shrink up to where they just then slide right off, therefore being pointless. i am finding the only way to make them work is use one up by the cap area and then another slightly over that one and then heading down the jug. what is the best way to avoid wasting 2 bands on one jug or another size for these? i do not feel that anything x 55 would work.

The recommended size fits around the width of the bottle. If you are looking for just the neck of the bottle and cap, we suggest using the 80 x 55 band which may need to be cut down in height. If you have any further questions please contact customer service at 1-800-359-0944.

i used these to bottle the fizzy bubble powder recipe on your site, but they expanded and i had to take the lids off - i used only 1/4 of recommended citric acid bc i am going for more bubbles not fizz and still had this issue. how long should they sit without lids to be sure the gases are gone? i'd like to be able to seal these up to sell but nervous of sending out powdered grenades essentially.

We tested the recipe with the bottles you are using and did not have any issues. We capped the bottles at different time intervals to try and estimate a time frame (one capped immediately after filling). The bottles did not expand for us, even after shaking a few times here and there. We would recommend checking your fill and make sure you are not over filling the bottles which could add to the build up of gases. The bottles we filled were just to the shoulder curve on the bottle. Humidity could also play a role, so be sure you are making in a humidity controlled environment. If you have further questions, please contact customer service at 1-800-359-0944.

what shrink band would fit these properly?

We would recommend using the 115 x 55 shrink wrap band.

Are these bottles opaque? Would you be able to see the product inside it?

Yes, these bottles are more opaque than clear. If you have a colored product in the bottles, you would be able to see that color.