Whether you are looking to renovate an old fixture, keep your bath water warm, or protect your tub during travel, "bathtub covers" fall into three distinct categories: , Lids (Thermal/Functional Covers) , and Protective Liners (Disposable/Construction) . 1. Permanent Bathtub Liners (Renovation)

These covers sit on top of the tub to keep water hot for up to an hour or to create a flat surface for storage or seating.

: Shutter-style PVC covers trap heat, turning your bath into a sauna-like experience.