Come and Check Our Branding Solutions.This foldable lunch bag is made of waterproof nylon and the inner layer is eco friendly Aluminium material with heat insulation design to keep your food warm or cool,the roll up design can easy put your lunch into the bag or taken out of the bag which can be used as lunch bag, picnic bag, sundry bag, suitable for all age groups.This is also a wonderful gift idea for men, women, teenagers and students.Customize is available.Price for over 1000pcs is for sea shipment. Pls check inventory and detailed info before placing your orders.