... with different hours.as a general rule:4-8hours or 8-10hoursWe mainly produce Pp woven bag, pp non-woven bag, non-woven bag ... bags, fertilizer bags, flour bag, feed bag, suit sets, cooler bag, polyester bag (such as 190, 210, 420, 70D), cosmetic bag, beach bag, beach mat, Auto ... so that we can give u a relatively accurate price Looking forward to hearing from u soon 2012 lunch box with cooler bag