Vault Tray Inserts fit neatly into our stackable vault trays. Includes anti-tarnish ™ may prevent tarnishing for up to 35 years. LusterLoc™ lining and 12 compartments with 12 watch compartments. 14.25" L x 7.75" W x 2.5" HStorage: 12 watch compartments.LusterLoc™: Allows the fabric lining the inside of your jewelry cases to absorb the hostile gases known to cause tarnishing. Under typical storage conditions, it can prevent tarnishing for up to 35 years.Material: LusterLoc™Other: Vault tray inserts have the ability to stack as high as you want within the trays