Dry-Erase Spaceship Game Tile Booster Pack: Wire Mesh LookRole 4 Initiative has now expanded its lineup of Dry Erase Dungeon Tiles to include booster packs! These smaller sets of two 10" tiles and eight 5" tiles give the gamer a cost effective way of expanding their R4I Dungeon Tile roster to include different colors or genre. Compatible with dry erase, wet erase, and liquid chalk markers, these double sided tiles offer much more flexibility and expandibility than traditional vinyl mats.