36 - Individually packaged 3ml syringes of Classic teeth whitening gel with dispensing tips and patient instructions. Custom Tray Take Home Whitening Gel available in multiple strengths: 10%, 16%, 22% & 30% of Carbamide Peroxide to accommodate individual needs. Each 3ml syringe is 5-6 complete treatments. 10% 6 to 8 hour wear-time 16% 2 to 4 hour wear-time 22% 1 hour wear-time 30% 30 minute wear-time