This Mattress Topper adds optimum softness and comfort while you sleep. Encased in a premium natural cotton cover with a polyester fill for added breath-ability and freshness. Includes a built in anti-bacterial treatment that inhibits the growth of bacteria, beautifully finished with a box cassette design which ensures fill stays in place and topper retains loft. A fitted skirt ensues minimal movement throughout the night. Cover: 100% cotton, with 100% polypropylene spunbond backingFill: 100% polyester, antibacterial treatmentCore: Skirt: 80% polyester, 20% cottonGsm: 600GSM Note: For health and hygiene reasons, pillows, quilts, underlays, bed toppers, mattress and pillow protectors cannot be returned for a refund or exchange unless faulty or not as ordered.