BEYOND® StayWhite™ Professional Take-Home Tray Whitening kits contain six generous 2.6-ml syringes of BEYOND’s proprietary 6% H2O2 tray whitening gel clinically proven enamel safe and effective, two sheets of StayWhite EVA impression tray material, protective storage case for custom trays, zippered carrying case with mirror, and multilingual instruction manual. Transparent syringes with dosage marking make application quick and easy. Treatment schedule is just one hour per day for fourteen days. Remaining gel can be used for maintenance. Gel is available in Mint, Orange, and Vanilla flavors. Refill kits are also available.