Jack Spade created the ideal durable slim messenger bag that is always prepared to fit wider items on the fly. The Expandable Day Bag constructed from 1100 denier canvas, and with the pull of a zipper, the slim profile doubles its storage capacity to carry a bigger load. The anti-abrasion and water-resistant fabric also doubles as a deterrent from your items getting scratch or soaked. It can also a grow a single watermelon if you wanted it to. Donâ€™t believe us? Check the video below. Need this bag in your life? Jack Spade has it for $225.