Come and Check Our Branding Solutions.Our product is made from high density oxford cloth and thick aluminum foil.It can keep food cool or warm for about 4 hours,keep food fresh and delicious.Add ice pack to freeze better and fresher.It could easy put into backpack or large handbag for convenient carrying.It is ideal for storing food,drink bring to school,office,picnic,camp and BBQ,or for keeping tempreture sensitive things. Pls check inventory and detailed info before placing your orders.