"Royal Rumble Heavyweight Champion Wrestling Belt" is a descriptive and straightforward name that effectively communicates the essence of the championship belt. It signifies that the belt is associated with the prestigious Royal Rumble event, which is one of WWE's most anticipated and iconic pay-per-view events. Additionally, "Heavyweight Champion Wrestling Belt" indicates that the belt is intended for the heavyweight division and signifies championship status in professional wrestling. Overall, the name succinctly captures the significance and purpose of the championship belt, making it a fitting choice for your product.