Weekender is 13.5x16- 16.5 inches (L) approximately 
On the Go (S) is 11.5 x 10.5 inches.
Small box is 5x8!inches approximately 
Weekender and On the Go are available in lined optiom. This provides waterproof lining, top zipper, inside zipper and 2 compartments. Excellent to not only use your tote also for laptop, travel , etc!