BNIB Twin Pack CREST 3D Whitestrips

Crest 3D Glamorous White Whitening Kit - 2 Boxes Brand New Sealed Box Includes 28 whitening strip treatments, each with 1 upper and 1 lower strip. Apply once a day for 30 minutes. LASTS 6 MONTHS AND BEYOND with full treatment use. Advanced Seal Technology's no slip grip Crest Whitestrips is the only typeof whitestrips validated by the Canadian Dental Association