These breathable underpads are designed for airflow therapy beds and contain super absorbent polymer. They are Heavy Absorbency and have a soft non-woven topsheet and a blue backsheet with a fluff filler. if(typeof P !== 'undefined' && typeof P.when !== 'undefined') { P.when('product-description-fix').execute(function(productDescription){productDescription.fixTableIssue(); }); }