The Paint Pup is a multi-liner system in a paint bucket. White paint bucket has 24 disposable liners are pre-packed to fit snugly inside each unit. The liners pull out one at a time, leaving a clean bucket that is ready for use. Change paint colors fast without access to water. Liners are constructed of .8 mil polyethylene. Remove left over paint by snipping liner corner and pouring back into original container.