Home use teeth whiten kit TKIT500, 3pcs 5ml gel, 1pc cold led lights,1pc mouth tray, 1pc manual and 1pc shade guide. we can support OEM service, if you have large order. for the gel, we have non peroxide concentration and 0-16%HP gel, we can make any concentration you need, home use teeth whiten service is most popular nowadays. convenient operation and flexible time.