1) Grade B Tennis Ball 2) 2.5'' in dia 3) Color: as picture or according to custom ... also could produce according to custom PMS color number. Size 2.5'' in dia Material Tennis felt, natural rubber Color As picture ... printing Standard Europe, USA Other size available: 1.9'', 2.5'', 3'', 4'', 6'', 9.5''.Any other question, welcome to contact us!