This roll-top lunch bag has an adjustable height depending on what you put inside. It's a slim type that easily fits tall containers like soup jars and lunch capsules. It can also be used as a small item organizer. Product Specifications: Outer fabric: 100% nylon Lining: 100% polyester, Tape: 100% polypropylene, Buckle: 100% POM resin Size: Approximately 32cm (height) x 20cm (width)