●Glass ●Made in the USA or Imported ●Replace the broken glass from your Barska Breakable Key Box (Model AX11838) with this 3 piece set of replacement glass windows. ●These replacement glass windows install in seconds using the channels located on the inside of the Key Box door. ●In the event that the glass needs to be broken to access the key, these replacement windows will break into pieces that do not have sharp edges. ●Dimensions (W x H): 2in x 3.25in