Rest on a comfy cloud with peace of mind knowing this mattress pad mitigates asthma and allergy triggers. Developed with lifestyle expert Robin Wilson, it protects your mattress by blocking particles more than five microns in size, so you’ll experience anti-allergen living as you drift off to sleep.300-thread-count 100% Cotton top layer 100% Polyester Dream soft fill Elastic sides Channel stitched Produced under Better Cotton Initiative (BCI) standards MADE IN GREEN by OEKO-TEX® Certified. Anti-Allergen Mattress Pad