Find Diet Conversion Kit and 1,000's of other products at PetBird Xpress! Email, Skype or Call us with any questions or special requests. Diet Conversion Kit orders are processed within 1 day. We ship from three warehouses via Fedex and UPS. At PetBird Xpress, your satisfaction is our number 1 concern! We've been at it for over 15 years and we have satified thousands of customers like you.