THIS 14 OZ STARBURST TUMBLER, STACKABLE, IS MADE FROM CLEAR POLYCARBONATE. IT GIVES A CRYSTAL CLEAR GLASS-LIKE LOOK. IT IS A COMPLETE ONE PIECE MOLDING PROCESS TO ELIMINATE WEAK JOINTS. THEY ARE SHATTER AND BREAK RESISTANT. THE ITEM IS PRICED BY THE EACH, BUT MUST BE PURCHASED IN THE QUANTITIES LISTED BELOW.