Comfort Aquasoft Protectors - 140x200x25cm The Aquasoft double sized quilted mattress protector is combined a waterproof PVC membrane to make a comfortable, water resistant covering that extends the life of your mattress whilst ensuring a peaceful night's sleep for your guests. The protector also helps to maintain a neutral odour which adds value to the reputation of guesthouses, hotels, resorts, B&Bs and more.