The Master Athletics Packable Backpack is the perfect bag for the person on the go. This light weight back folds up into a self contained pouch with a pocket that measures 10" x 6" x 3" weighing only 5.1oz. When opened it expands to 17" x 10" x 7" with 2 netted side pockets that can be used to hold water bottles or balls and a small front pocket. This backpack is ideal for traveling or everyday use.