Insulation bag, ice bag, ice bag, also known as passive refrigerator, is a kind of high heat insulation, constant temperature effect package (with winter and summer cool effect), more cold, heat preservation, fresh, made of high quality materials, easy to carry, suitable Like driving, holiday outings, family picnics, the inner layer of the product is a pearl cotton-covered aluminum foil reflective insulation layer, which provides good thermal insulation effect. From then on, you can carry iced drinks, cold drinks, etc. in the car and outdoors, no longer need to Endure warm drinks!