imported conjugate silicon fiber is made of 100% Polyester Fibers Surrounded & Protected by a Strongly-Sealed Pillowcase. Original Polyester Pillow is designed to Comfortably Support & Conform to the Contours of Your Head, Neck, & Shoulders. All our Branded CONFORTO pillows are provided with a warranty of 1 Year against any complaints of loosing softness and fluffiness of the pillows. And Weight of pillow 600 gm. Single Bed Pillow Inserts (27 x 16 Inches).