With ISOCOOL Polyester Pillows, you're always sleeping on "the cooler side." These pillows help create a sleep experience that is calm, cool, and comfortable. Each pillow is filled with polyester fiber and features a 300-thread count 100% cotton cover. The cover's Outlast Adaptive Comfort material self-adjusts to your body's changing temperature, which helps prevent tossing and turning throughout the night. Ideal for back and stomach sleepers. These pillows are machine-washable for easy care. SpecsMaterial: Polyester fiberDimensions: 20" x 28"Care: Machine-washableIncluded: Two pillows, two cotton covers Manufactured in the USA with domestic & imported materials | Isocool Polyester Bed Pillows, 2-pack, Jumbo in White