Features: It is safe and gentle on the gums and enamel, does not damage the teeth, and is effective for whitening. Easy to Use: Our tooth whitening paste is very easy to use, no need to use tooth whitening gel, complex tooth whitening kit or tooth whitening lamp. Quickly effective teeth whiten within 30 minutes: remove years of stains, make teeth whiter and healthier. Tooth Whitening Strips: Teeth whiten strips can easily remove stains from coffee, tea, cigarettes and soda. Applicable scenarios: Daily teeth cleaning, conversation, dating, travel, work, etc. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Quantity: 14/21/42 Pairs Package List: 1 Set Professional Tooth Whitening Strips Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.