Our son needed a quality mattress cover to help him sleep at night and not stay awake from coughing due to his high allergic reaction to dust mites. This mattress cover has been just what he needed! It has worked exactly as we needed it to, and has even helped lessen his dependence on his inhaler. We are so thankful to have had this product recommended to us; and we recommend to anyone who needs a quality cover to fight against dust mites. It was definitely worth the money!