Size: 2.5 inchesMaterial: rubber, polyester feltTennis ball, training tennis ball, 3pcs tennis ball, standard training tennis ballPacking: 3pcs/polybag; 80 bags/ctn; 65 x 41 x 26cm; 15kg/14kgSample time: about 5 to 7 daysDelivery time is 25 to 30 daysSupply ability: 10,000 to 20,000 pieces per dayCan be used for promotion, toy ball or exercise ball