22% 36 Syringe Bulk Pack - Take Home Teeth Whitening Gel. Bulk Pack Contains: 36 - 3 ml syringes of 30% carbamide peroxide gel (individually packaged) with dispensing tips and patient instructions. Each 3 ml syringe is 5-6 complete treatments. Highly effective on persistent stains. Recommended for treating Tetracycline stains. High viscosity pleasant tasting gel.