Description: Product Color: As shown in the image Shelf Life: Three Years Features: 1. Gentle formula for daily teeth cleaning and whitening, protecting tooth enamel. 2. Innovative purple whitening technology uses optical correction to neutralize yellow tones, instantly brightening teeth for a naturally brighter look. 3. No light or complicated operation required, comfortable fit, and 15-30 minutes of daily use easily integrates into daily care. 4. Combines whitening and color correction to remove surface stains and improve underlying discoloration for long-term oral beauty. 5. Gentle ingredients suitable for sensitive teeth, non-irritating, safe and effective for long-term use, promoting a confident smile. Storage: Store in a cool, dry place away from sunlight. Notes: 1. Manual measurement tolerances of 2-5° are permitted. Please do not hesitate to exchange them. 2. Due to differences between monitors, images may not reflect the actual color of the item. Thank you! 3. Results vary from person to person, so continued use is recommended. Shipping includes: 1 pc of dental care strips