Crest 3D White Professional Effects Whitestrips are regularly priced at $59.99 at Safeway but are on sale for $56.99 through 12/31. Stack a $10.00 off one Safeway Just for U store coupon with a $7.00 off one Safeway Just for U digital manufacturer coupon that is valid through today only. Plus, purchase Crest 3D White Intensive Professional Effects, 7 ct; Professional Effects, 20 ct; One Hour Express, 4 ct; or One Hour Express plus Professional Effects, 20 ct and receive a $10.00 rebate! Click here for the mail-in rebate form. Can’t make it to the store today? Don’t worry! The store sale and $10.00 off store coupon are valid through 12/31, and the rebate goes through 1/31.