Folded Space Game Inserts Gloomhaven Jaws of the LionNote: Insert designed for game with external box dimensions of 23. 0 x 29. 2 x 10. 2cm. Insert compatible with Gloomhaven: Jaws of the Lion. The design provides both efficient storage and improved game play. Many of the trays can be utilised during the game, and they greatly aid set up and clear away times. The insert is arranged in three layers.