Heavy grade fabric with aloe vera Designed to fit Sleep Number Beds Complete duvet cover with heavy duty zipper Made in the USA! Made to fit Sleep Number beds. This outer shell is complete with pillow top tailoring. Sewn slots for dual air hoses. This complete outer shell is made to fit the 3000, 5000, 6000 from the 1990's up unil 2008; the C3, C4, and P5, P6 models from 2008 up until 2018. This replacement cover features the same YKK zipper (5cnu) that has been used on Sleep Number beds during this time period. Not only is this shell made in the U.S.A., but all components are as well. We use only the best fabrics, foams, upholstery threads and padding. This complete shell is specifically designed to fit Sleep Number beds. We guarantee a snug fit, just like the original. Questions? Email one of our experienced craftspeople who sews these covers right here on site! Note: Cozy and Custom makes after market covers for Sleep Number brand beds and we are not affiliated with Select Comfort or Sleep Number in any way.