Ultra Materials Ultra Slime

Pull out of container. Cut off with scissors. Thin with water. Wash off hands and clothes in water. Scrub off floors with dilute solution of chlorine bleach. 

Used in multiple feature films: Return of the Jedi (1983), Indiana Jones and the Temple of Doom (1984), Aliens (1986), The Fly (1986), Predator (1987), Jurassic Park (1993), Harry Potter and the Deathly Hallows – Part 1 (2010), Harry Potter and the Deathly Hallows – Part 2 (2011)