x trayz white enX Trayz are the next generation of universal containers from Game Trayz. Each X Trayz (formerly Treasure Trayz) comes with its own clear lid and is designed to nest together with other Trayz for secure storage. Each X Tray, regardless of the style is 3. 5" wide by 3. 5" long. WITH the lid on, each tray is 1. 3" tall (1" tall without the lid on). Each package contains 6 X Trayz with a mix of single and double layouts.