Provided is a deployable, foldable fluid collection bag which may be selectively deployed as desired by the user. The bag may be configured to fit in tight spaces and be deployed to collect fluid which leaks during plumbing repairs and installations. The bag may be fabricated from a unitary piece of material and include a base, a first panel and a second panel. The first panel may be coupled to the end portions of the base and to the second panel to define a pair of opposed sidewalls and a pair of opposed end walls.