The Callaway Performance Series golf balls is our newest offering from the Callaway line. Please keep in mind that this is a true mixture and percentages will not be equal between all the models included. This mixture may include both 1st & 2nd quality HEX Warbird, Warbird Plus, Solaire, CB1, CX3, CXB, CXR, Big Bertha HX Diablo, ERC, Rule 35 Blue, Rule 35 Red,HEX Hot, HEX Hot Pro, HEX Pro, HEX Distance, HEX Control, HEX Diablo and HX Hot models from Callaway.