Impact! Miniatures Announces New Releases:
From their announcement:
Impact! is pleased to released these great, colourful chipboard dungeon tiles. The squares on the tiles are 29mm. There are 17 room tiles, 2 endzone tiles, 21 tiles to add pit traps, teleporters/trap doors and treasure chests to the tiles.
Additional pictures http://artistsunited.myfreeforum.org/about3294.html