... 3xAg10 button batteries.3,copperpaper4,open card to listen to sound5,You any custom size of card will be welcomed .Often it ... format .9,Complay CEand RoSH certification.10,The surface of greeting card with matt finish ,glossing finish,lamination or others.11 ... Packing:With one opp bag.14,Sound greeting card is very sutiatble for Birthday day,Christmas day,Thanksgiving,Wedding party,invitation, ...