Once you have chosen the correct mattress, you will now want to protect your investment. The best thing you can do to keep your mattress clean and sanitary is to purchase a mattress protector. A good quality protector will not just protect your mattress from dirt, stains and spills, but will also make it a healthier place to sleep. Protectors can keep harmful dust mites out of your mattress and help people with allergies and breathing ailments sleep much easier. Also, a good quality protector will keep your mattress free of stains that can void the manufacturer’s warranty.