NWT Tommy Bahama Zipperless Coldlok Lunch Box (9 can large volume). Easy access Zipperless lid. Ultra safe leak proof, easy clean lining. Durable hard liner with a smartshelf to separate food and drinks. Exterior pockets both zippered and mesh. An adjustable backsaver shoulder strap with an anti-slip shoulder pad. Wipe clean exterior that is coated to repell water and stain. Tommy Bahama 9 can Lunch Box is treated with Microban to help reduce bacteria up to 99%. 5 layer Deep Freeze retains cold for hours.