The insulated bags has three layers of insulation(High quality aluminum foil; Thickening thermal insulation foam; High density fabric) it can store hot and cold items for a long time and keep them fresh. Ideal catering bag [BEARING WEIGHT]:The insulated bags can hold up to of weight. The quality is good and durable. It can be reused more than 1 year. [DURABLE ZIPPERS]: The insulated bags has two zippers. Stuff will not fall out. Zippers can be reused more than 1,000 times. cheap delivery insulated bags for groceries hot dog bags reusable grocery bags heavy duty thermos food containers for hot food insulated bag small cooler bags for groceries disposable cooler bag insulated pizzacarrying delivery bag foldable cooler foldablegrocery bags canvas grocery bags heat collapsible food storage containers