This shoulder Cooler Bag very practical.The design of 2-way zippered puller - Convenient to put food in large compartment.there are small zipper opening on the top, you don't need open the all ,just open the small pocket, you can get what you want. this small design is really convenient. there is a front zipper pocket , you can put small things in it. As the durable straps on the side, if you are outside, it's convenient to carry out.