Bottle Plug Kit -Zinc alloy material, polishing & chrome plate finished,100mm length,2pcs innocuity o-ring, the o-ring diameter according ususlly wine bottle diameter. -spec: (a)4pcs kit packing : 4pcs/wooden base /color box, 24set/ctn, ctn size:36*16.5*28cm. (b)3pcs kit packing : 3pcs/wooden base/color box, 24set/ctn ,ctn size:44.5*18*22cm etc............ according customs requested to combination the kit.... as picture (bottle plug picture)