1) Material: Aluminium EZO, fully open 2) size:Y300 3) Diameter: 73mm 4) Usage:PET bottle for tennis ball full open aluminum easy open endType:Y300Diameter:73mmused for packing tennis ballpackage:quantity:3000pcs/ctn Volume:54cm*43cm*27 weight:20kglid,easy open end,bottle lid,EOE, can top,metal cover.