The Serta PerfectSleeper Cool Knit pillow has a soft & breathable, cooling design. Available in both Standard\Queen and King sizes. Features: Cooling Sleeping Position: Multi-Position Fill Weight: 28 oz. of Fill Pillow Size: King Measurements: 20 Length\Inches, 36 Width\Inches Base Material: 50% Nylon, 50% Polyester Filling Content: 100% Polyester Comfort Type: Soft\Medium Density Care: Machine Wash Material: Circular Knit Pillow Type: Bed Pillows Country of Origin: Imported Serta PerfectSleeper Cool Knit Soft/Medium Support Pillow