... 4.technique:plated,accept small order rubber dog tag key chain model:NP4711) Material: Aluminum, zinc alloy or others ... custome size is available 4) Attachment: Ball chain or small ring, also can have rubber loop on the edge ... Badges,tin badges,lapel pins,souvenirs(commemorativecoins),medals,key chains,bottle openers,tie clips,cufflinks,letter openers, ... metal gifts and crafts. rubber dog tag key chain