Keep your mattress fresher, longer with the Arm & Hammer? Soft Terry Mattress Protector. Designed to fit securely over your mattress, it offers waterproof protection to guard against life?s unexpected spills. The allergen surface barrier and antimicrobial product protection work together to promote a cleaner, healthier night?s sleep. Combining practicality and comfort, this mattress protector is essential for all homes.