1 led accelerator or light, 1 travel case, 4 x 1.4 ml (0.047 fl oz) teeth whitening pens. Gluten free. Vegan. Up to 9 shades whiter in 1 week (average results after one week when used as directed. Results may vary). 4 pens and a light for 6 months of your brightest bright. Everything you need for 6 months of your brightest bright. You hold in your hands the whole teeth whitening kit and caboodle. So bid farewell to a smile that isn't bright, and go forth and shine. 3x faster to use than strips - only 5 minutes twice daily. Same enamel-safe whitening agent used by dentists. Helps remove years of tough stains in 1 week. Patented smartphone-compatible 20-LED light enhances the bright. Smilke satisfaction guaranteed (If you follow the instructions, of course). SmileDirectClub.com. Bright on whitening pens made in Netherlands. LED light made in China. Packaging assembled in USA.