National Allergy 100% Cotton Twin Mattress Encasement 38x75x9 | Hypoallergenic, Dust Proof, Breathable, Noiseless

National Allergy twin mattress encasement is made from 100% cotton with a tightly woven 2.6-micron structure, supporting a hypoallergenic, dust-proof design that maintains natural softness and breathability. It surrounds your mattress fully with a zippered, 6-sided cover, secured with an auto-lock zipper and internal flap for a dust-proof seal. The fabric contains no waterproof films, ensuring flexibility and noiseless operation, moving with your mattress for undisturbed sleep. Certified by AAFA and OEKO-TEX Standard 100, it guarantees material quality and textile safety. Reinforced seams enhance durability, and the fully machine-washable design simplifies care. Fits twin mattresses 6