... bag and the music will play OEM or ODM Promotional bags with music chip 1,recording time :0-270sec2,open bag ... ODM4,It is for gift,promotion.5,Custom sound with mp3 or wave file format is ok.6,Custom ... batteries .10, The surface of bag will be dealed with matt finish,gloss finish ,lamination or others.11,Material: ... then while you close bag music will stop. Promotional bags/gift bags with music chip