Note: Insert designed for game with external box dimensions of 29.5 x 29.5 x 7.8cm. Insert compatible with Spirit Island and the Branch and Claw expansion. The insert is also separately compatible with the Jagged Earth expansion and promos 1 & 2. If you have a complete collection of the game you will need two inserts, one for the base game box and one for Jagged Earth box. This product consists of a flat-pack of 4 Evacore sheets. The trays require assembly, which is quick and fun, using ordinary PVA glue. Detailed instructions are included in the package.