How big is the vacuum pack 28*40cm?
For custom vacuum bags, I would recommend a manufacturer who has customized experience in vacuum bags because it reduces your time cost and offers a lot of advice on packaging design and customization.
Now the standard of living has improved, basically the vacuum bag. This will improve the product's shelf life, preservation time is longer, more conducive to product sales.
28*40CM is the size of a vacuum packed bag, 40 cm long and 28 cm wide
