Kolibri For Sega Genesis (32X) Clean Cartridge, BUT UNTESTED. Shipping will be process after receiving the PayPal clear payment, and send it Via USPS First class postage mail Monday thru Friday except weekend and Holidays. 30 DAYS RETURN FROM THE DATE OF PURCHASE WILL BE ACCEPTED, BUT BUYER NEED TO PAY THE SHIPPING FOR THE RETURN.. IN ADDITION A 15% RESTOCKING FEE WILL BE ADDED TO THE RETURN THANK YOU.