<https://vistaapex.com/product/dual-arch-fluoride-trays/#product>
<http://schema.org/description>
"Ideal for foam and gel fluoride solutions\r\n\r\n \tColor coded for easy identification\r\n \tFlexible hinge with extended locking grip tabs\r\n \tFlexible trays adapt to the contour of all arches and teeth\r\n \t50/Bag\r\n\r\nSizes Available:\r\n\r\nPedo (Orange)\r\n\r\nSmall (Green)\r\n\r\nMedium (Yellow)\r\n\r\nLarge (Blue)"
<https://vistaapex.com/product/dual-arch-fluoride-trays/>