Our new sleeping pillow inserts are perfect for a great night sleep. This style feature three compartments - the inner core is filled with supportive feathers, the two outer sections with luxurious down. This helps keep the pillow's firmness.  Sizes: King 20"x36" Standard 20"x26" Compartment: 80% Feather, 20% Down Compartmented Design: Combines the Support of Feathers with the Luxury of Down Inner Core: Small White Feathers Provides Gentle Firm Support Outer Pockets: Premium Down Softly Cradles the Head