Does the bottom of the bag have 1cm sealing side of the brock bottom bag with zipper?
Does the bottom of the bag have 1cm sealing side of the brock bottom bagwith zipper?
The sealing side is according to your requirement. If you use the brock bottom bag to put power and water, we would like to suggest you choose 1cm sealing side. It will be strong and to prevent leaking air and water. So the sealing side can be made 1cm about brock bottom bag.