Transform Your Smile with Our Oral Care Must Haves beaut.beautyco. Kit smile cozy smile kit Sweet Cozy Kit Entre Dos Reusable Cup Cozy Smiley Pencil Etsy. What: The most advanced technology on the market: the Cozy Kit is waterproof and wireless. Cozy features blue light therapy and dual light therapy. You can receive a whitening session and oral care treatment all in one with our dual light therapy setting. On average each 15 minute session whitens your teeth 2 3 shades lighter. The Cozy Kit has an internal timer that shuts off the device after a 15 minute session and is totally rechargeable. Sold and recommended by dental professionals and educators. Vegan Friendly FDA Cleared Includes: The Cozy Kit includes 1 light, 1 charger, 1 shade guide, 1 instruction guide and 3 smile pens. Instructions: View Cozy Kit Instructions Here