Cricut Explore Air 1 and 2 Rubber Roller Replacement Set x2 Black/White, Cricut Compatible Part - Ships Same Day Cricut compatible replacement part - Cricut Roller - Cricut part - Explore Air 1 - Explore Air 2 Full set of replacement wheels, 2x white is the inner set, 2x black is the outer set. 4 wheels total. This replacement part is made out of TPU rubber. It is a more rigid rubber and stays in the grove much better than the factory part. It retains grip strength and allows the Matts to slip. Made and ships from Ohio.