Aperture Laboratories, Portal - Die Cut Vinyl Sticker Decal
Any contact with the chamber floor will result in an "unsatisfactory" mark on your official testing record, followed by death. Good luck!
Top quality die cut vinyl made in the USA on Oracal calendered vinyl, rated for an outdoor waterproof life of 7+ years. Indoors indefinitely! Need a custom decal? No problemo! Let us know and we can get it done!