versatile trash bag / trash bag

There's a material which could stick more then one times (like post-it) on the bag.
By adding the friction and stick, the plastic bags which are sticked to each other because
of the static electricity could separate easily. Otherwise, this material could resume the
stick by water, even when it lose the stick after using.Sealing the plastic bag by stick is not only convenient and can keep garbage from hands. Compared to the old
plastic bag, because save the space to tie up, there's more space to carry the trash to more then 15%. Therefore,
the quantity of using plastic bag could be lower.