PERFECTA TRAY MATERIAL .040 BX/25 #4008305
2 ounces (59cc) of whitening gel in a squeeze tube. Choose 11%, 16%, or 21% carbide peroxide in a fresh mint flavor. Glycol-based for minimal dehydration-induced sensitivity. Ideal for long-term cases (tetracycline) or for several members in the same family to whiten simultaneously.