Make your spreader bar hammock even more relaxing with the addition of the Atrium 34 x 18 Deluxe Hammock Pillow. This pillow is available in solids stripes and patterns for an excellent selection that's sure to please. All fabric covers are made of polyester. 100 percent polyester fiber filling makes the pillow durable and comfortable. Spot-clean with soap and water as needed to keep your pillow looking its best.