The feature of cooler bags?
Keep hot and cold:
Heat preservation and cold preservation is the most basic function of the heat preservation package. It is a special bag with short-term heat preservation effect. It can keep cold/heat preservation. The product heat preservation layer is pearl cotton + aluminum foil tin foil, which can provide good heat insulation effect.
durable:
It must have excellent impact resistance, not easy to break under heavy pressure or impact, and will not leave scratches.
seal: This is the primary consideration when choosing an insulation package. Although different brands of products have different sealing methods, excellent airtightness is a necessary condition for the long-lasting freshness of memory food.