Ideal for side sleepers, this extra firm pillow is filled with hypoallergenic Supraloft® fibers for optimum support of the head and neck. 2\" gusset for added loft 400 thread-count dobby stripe cotton cover Cotton cover with polyester fill Be sure to care for your investment with a pillow protector. It's an added layer of protection that will help keep your pillow clean and fresh. Features: Hypoallergenic Sleeping Position: Side Thread Count: 400 Fill Weight: 28 oz. of Fill Pillow Size: King Measurements: 20 Height\Inches, 36 Width\Inches Base Material: 100% Polyester Filling Content: 100% Polyester Comfort Type: Extra Firm Density Care: Machine Wash Pillow Type: Bed Pillows Country of Origin: Made in US Serta® Perfect Sleeper® Extra Firm Support Pillow