PuTwo Lunch Bag Insulated Tote Dual Compartment Cooler Bag with Shoulder Strap - Light Blue Do not wash by submerging entire lunch bag into water, the outer use soap water cleaning and the inner need to swab with wet cloth Lunch Bag Material: High Quality Waterproof Oxford Fabric + Aluminum Foil + 5mm PE Foam. Lunch Bag Size: 25*14.5*17m/9.84*5.7*6.7 In,Capacity: 6L. Keep Cold Time: 4h(with lunch bag can keep 12-16h) Keep Warm Time: 2-4h(with lunch bag can keep 3-6h)