BNIB TWIN PACK Crest 3D Whitestrips

Crest 3D Glamorous White Whitening Kit - 2 Boxes Brand New Sealed Box Includes 28 teeth 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 stays put so you can talk and drink water while whitening teeth. Crest Whitestrips is the only type of whitestrips validated by the Canadian Dental Association