Keen® Journey™ 4-way stretch material aids in shearing prevention and treatment and is easy to wash or disinfect. Available in the Performance (black) model or the EZ (blue) model. Covers are machine washable (warm water), air dry, do not bleach. Both models of covers come standard with a water-resistant zipper and waterfall feature to protect zipper from food particles dirt, and liquids. Both models also come standard with a PVC (Polyvinyl Chloride) coated polyester base that creates a non-skid, waterproof surface. Covers have a ‘back’ label for caregiver ease in use.