The PHILIPS ZOOM EVA TRAY MATERIAL is a high-quality product designed for use in whitening and dentistry. This 5×5 inch tray material comes in two bags, with one bag containing 12 trays, the bag is sealed and the other bag is open and contains 8 trays. With an expiration date of never, this product is perfect for long-term use in professional dental settings. Made by the trusted brand Philips, this tray material is ideal for achieving optimal results in tooth whitening treatments.