A 2: Yes samples are free of charge, you only need topay the shipping cost.
Q3: Does it real whiten my teeth?
A3: Yes,the strips can effectively remove the gingercaused by cigarettes, coffee, sugary drinks, red wine.Natural smile will get after usually 14 treatments.
Q 4: Do you provide OEM/ODM service?
A 4: Yes, light customization & professional ODM serviceyou can get from our team.
Q 5: How long is your delivery time?
A5: Within 3 days for trail order, 15-25 days for thequantity order.