Whiter Smile Labs Teeth Whitening Trays - BPA Free - Thin Moldable Mouth Trays Form Perfectly to Each Tooth (4 Trays) Description Teeth Whitening Trays and Free case! Whiter Smile Labs unique trays easily fit close to your teeth allowing you to apply whitening gel to the trays and they slide on and fit around your teeth perfectly. Our Thin series trays are not bulky and are comfortable. Includes a set of upper and lower bleaching trays, storage case, Includes extra whitening trays (total of 4) and complete easy instructions. Features: Whiter Smile Labs - 4 DIY Thin Teeth Whitening Trays and Case. 4 Mouth Trays Included Comfortable, Custom Fit Upper and Lower Teeth / Tooth Bleaching Gel Trays for Whitening Your Teeth at Home. BPA Free thermoform teeth trays are not too thin and not too thick. Product Details: Brand: Whiter Smile Labs Number of Items: 1 Included Components: Mouth Tray Unit Count: 5.00 Count Flavor: Unflavored Is Discontinued By Manufacturer : No Package Dimensions : 6.3 x 4.02 x 1.22 inches; 1.76 Ounces Item model number : WSL-TC-2 Date First Available : November 15, 2016 Manufacturer : Whiter Smile Labs