The TowWhee Stuff Sack is the perfect size to stuff with your TowWhee and accessories down to a nice small size. Have it with you all the time in case you need it. It is soft enough to squish in different shapes to put in the bottom of your backpack or inside a frame/fender pack. The bag itself is superlight, less than 1 oz and is about 6” tall x 6.5” wide.