... your quantity)Sample time3-4days sample charge if the style in stock,it is free.if we haven't ... you Core Material Rubber; Latex; Spandex, as per the client's request Rubber/Latex 23#,28#,32#,37#, ... 20/1, 20/2, 20/3, 30/1, 30/2, 30/3, 40/1, 40/2, 40/3, 50/1, 50/2, 50/3 etc ... /ODM acceptable Packing method 1 tube insert a opp,and many tube in a carton tennis ball with elastic string and computer string