A collection device for a catheter assembly is disclosed providing for an easier catheterization process and fluid collection with the device capable of being folded from a larger form into a smaller, more mobile form. The collection device may have attached to its top portion a connecting tube capable of being stretched and compressed, thereby allowing the user more flexibility and convenience while catheterized. Additionally, the collection device may contain antiseptic agents, fold lines, a drainage tube, fastening mechanisms, and leg strap holders in order to make the device more convenient to use.