PRETYZOOM 50pcs Disposable Thick Aluminum Foil Insulation Bags Food Storage Pouch for Take-Out Picnics and Cold Food Preservation (20x20CM)

["for groceries:an solution to keep your warm food warm and cold food cold for hours,insulated lunch pouch","Freezable lunch bag:made of aluminum foil material, and ,small insulated bag","Hot cold shipping bag:lightweight, proof and thermal insulation,insulated sandwich pouch","Food bag:suitable for picnic, lunch, travel, camping and daily food preservation, etc,insulated pouch","Insulation bags thermal:great for packing and storing goods,insulated small cold pouch"]