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Set of 8 Portal Coasters features testing-chamber warning signs.
Watch out! Careful there! Here's one approach to making sure your guests are careful while they're on your property. The Portal Warning Sign Coaster Set contains 8 unique coasters that you can use to warn houseguests of their impending doom. Based on the Portal video game, they'll also protect your IKEA/Grandma/tax-return furniture from condensation disasters and look spiffy while doing it! Each coaster measures 3 3/4-inches long x 3 3/4-inches wide, and the set comes with a black storage container to stack them in. Show your love of Portals, Testing, Companion Cubes, Turrets, and all things Aperture with the Portal Warning Sign Coasters!