Purotex is an active probiotic applied to the fabric which is fully approved by Allergy UK. It is a 100% natural solution which releases friendly bacteria while you sleep and is clinically proven to eliminate dust mites which are known to trigger asthma attacks. With colour piped edging. Filling: unique Geltex® bounce back support core for easy movement and unparalleled breathability for a cooler night's sleep, surrounded by a sumptuous 600grms of soft and resilient recovery fibres. Packaging: non-wire framed non-woven bag with printed insert.