A gadget that attaches to a milk bag, designed to close the open hole of the bag and keep the milk fresh for as long as possible.
If you would like to download it and make changes your'e self and if you can tell me what improvments you made, I will be happy .

The product is made by 3D printing using PLA material and a rubber band.
If you would like to print it yourself, it is made of three parts: Top, Bottom, and Handle.

Milky way (milk jag closer) - Attach to milk jug:
https://www.youtube.com/watch?v=rPSC_PYpCF0&ab_channel=MaximYudeav

Milky way (milk jag closer) - How its work:
https://www.youtube.com/watch?v=hyngBfbzIQY&ab_channel=MaximYudeav

Milky way (milk jag closer) - Assembly:
https://www.youtube.com/watch?v=f_cVyZXQOOA&ab_channel=MaximYudeav