This bag is a perfect fit for the SP-140 or the X4. It fits the hoop, prop, and telescopic wind streamer pole.
XOP-Xtreme Outdoor Products Tree Stand Transport System https://www.amazon.com/dp/B003DR0X5E/ref=cm_sw_r_cp_api_i_X3CRNEN6NGRSKN9R9RSK?_encoding=UTF8&psc=1