Consumer can use this type of garbage bag very simple. - Firstly, put drawstring garbage bags on roll in the bin. - After that, they should overlap the outer edges over the bin rim. - Finally, they just need to wait till filling it up with rubbish. - Once can liner is full, they pull it out of the bin, tighten the drawstring to close the bag, then tie handles to stop trash bag from opening. - Suitable for using in homes, offices, restaurants, hotels, hospitals, etc. and other public places.