The strap is adjustable and comfortable for kids and adult alike (like me, I adore this bag). The strap can even be arranged to make a backpack! The outside dimensions are about 9 inches high, 8 inches wide and 3 inches deep and the inside is insulated to keep your lunch either warm or cold. It will easily accommodate many of our lunch boxes even with an ice pack.
I like the slim but roomy design and it holds a lot more than its great looks. It has an extra wide top opening which means it's easy to pack and easy to access. The front pocket holds a napkin and utensils.
I made the sailboat shaped sandwich which is floating on a sea of blueberries below a Babybel cheese sun. Above and to the left is a school of fish going to school and to the right of them are some organic baby carrots and green seedless grapes with a life ring pick. This lunch was packed in an Easylunchbox and will make its journey to school in a Sailor Chesapeake Insulated Lunch Bag.
Below is his lunch with an ice-pack and juice in the lunch bag, ready to go!
SailorBags has, in addition to this wonderful example, a stylish collection of bags for just about any mission which you can view here. While this bag might be higher in price ($39) than many alternates, you will find few with such style, quality, and a lifetime guarantee!
Disclosure: Sailor Bags generously provided me with the product for review without cost to me. Other than receiving the product, I have not received any compensation to write this review. All opinions are my own.