1) t-shirt bags: block headed knot bags, printed t-shirt bags, colored t-shirt bags, striped t-shirt bags 2) bags on rolls: t-shirt bags on rolls, flat bags on rolls, printed t-shirt bags on rolls, t-shirt bags with holes on rolls 3) garbage bags: star-sealed bags, cling film bags on rolls, bags on rolls with gussets, draw-string bags 4) flat bags: flat bags, block headed bags, printed flat bags