Strips: Apply for a total of 30 minutes a day and see the change in just two weeks! Quantity: You'll receive 28 charcoal strips and one tooth whitening pen. Teeth Whitening: Get a set of charcoal teeth whitening strips and a tooth whitening pen. Safe: Peroxide free and zero sensitivity guaranteed! Results: Can help remove embedded stains and aims to get teeth get up to eight shades whiter! Charcoal Teeth Whitening Strips & Pen | Living Social | Living Social