"Our custom kit is perfect for as a stand-alone home whitening treatment. You can use the kit once or twice a day for 30 to 60 minutes. There is enough gel for at least 10 applications. It is recommended to start off with 30 minutes, once a day or every second day. The results can get your teeth up to 10-14 shades whiter. Our carbamide peroxide gel is made with the finest quality ingredients including kosher, GMO-free, vegan glycerin and all-natural flavoring. There is no need to refrigerate the gel, just store it out of sunlight and at room temperature. We also include a storage case for the whitening trays and a beautiful, zippered travel bag that is made from bamboo. What is included: - 10mL 36% Carbamide Peroxide Teeth Whitening Gel - Boil-n-Bite Custom-Fit Mouth Trays - Mouth Tray Storage Case - Blue LED Accelerator Light - Touch of Serenity custom bamboo travel bag - Instructions No refunds or exchanges. All sales are final."