Smart HD Roll Bag is a good quality and budget friendly HD plastic bag. Sometimes it is also called plastic labo by merchant or users. This plastic bag has many uses depending on the size. Small plastic bags are used in a lot of ways, retailers use it for repacking their goods; canteens or restaurants to pack cooked meals, or portion meats or vegetables; can also be used to cover leftover meals at home to preserve freshness. Large plastic bags are used to repack light vegetables, used as a laundry bag or coverings for mineral water containers