Full-size dust mite and bed bug cover recommended by allergists. The vinyl-free cover provides all six sides of the mattress dust mite protection and closes with a zipper for maximum efficiency. It has the highest certification for D. Farinae protection (98.4%). Sizes available for all mattress thicknesses. $30 discount per cover now available on covers purchased online. Return within 30 days of purchase if not satisfied (conditions apply). 25 year warranty. $10 shipping fee below $150 purchase.