Crest 3D Whitestrips Supreme Professional Exclusive + LED Light, 11% Hydrogen Peroxide, 21 Treatments (42 Strips), 4 Kits/Case

Crest 3D Whitestrips Supreme Professional Exclusive + Light is a professional take-home whitening kit featuring 11% hydrogen peroxide whitening strips with AdvancedSEAL No Slip Technology. Each kit contains 42 strips (21 upper and 21 lower) for 21 complete treatments plus one LED accelerator light used for a 5-minute finishing step after a 60-minute strip application. The case includes 4 complete kits, available exclusively through dental professionals.