Rest easy on the PureAssure Allergen Barrier Diamond Quilted Mattress Pad. Comfort Pure is designed not only to enhance sleep experience but provide maximum allergy protection. The breathable fabric creates a shield that blocks dust mites, pet dander, bed bugs, mold spores, and pollen smaller than one micron in size. The finish and fabrication provide a clean barrier between you and allergens that build up over time. Comfort Pure fabric is soft to the touch and features a water-resistant seal that protects from spills.