Hammocks swing sets. Pillows are 100% polyester, but feel like natural cotton. Our products can be used indoors or outdoors and are mildew and fade resistant. Hammock pillows with printed designs are 19"x24" and striped pillows used for the bottom are 18"x18". Swings can be mounted to a tree or a sturdy beam in a ceiling or porch. •Weight capacity: 250 lbs. •Zipper closure on pillow for easy cover removal. •Pillow covers are machine washable, zip pillow before washing. •Hanging hardware sold separately. •Spreader bar width: 33 inches