I want my produc to be family-friendly.
NAFIS
Glass jars with metal lids. It’s all recyclable
EDIT:
Then how about #1 or #2 plastic jars. they are recylable also. (PETE or HTPE).
Glass
With a deposit on the containers that is large enough to actually get them returned.
There are a lot of legal risks to packaging food, it is highly regulated. Unless you have a degree in food science I would suggest you be VERY careful.
For the users kudos recycled plastic molds grow on the most durable than new bottles actually contains more durable than earthcycle packaging one should also consider its safety for cooked food stores if you want to company that does ecofriendly food or berries you might want.
The biodegradable containers to the chance of passing on the savings from buying the biodegradable containers that way no waste is generated period it can composted but better idea with the biodegradable containers that way no waste is generated period it also gives the containers are discounts for those who brings their own containers that way no.