These $15 Outdoor Pillow Covers Are Water-Resistant
Lewondr Waterproof Decorative Outdoor Pillow Cover, 2 Pack Patio Pillow Case Balcony Cushion Cover for Home Decor, 18"x18", Blue and White - Walmart.com
Outdoor Waterproof Throw Pillows, 20 X 20 Inch Feathers and down Filled Decora 313051586523 | eBay
UNIKOME Outdoor Waterproof Throw Pillows "18" x "18" Feathers and Down Filled Square Solid Pillows Water Resistant Outdoor Pillows Decorative for Garden Patio Sofa Picnic, Set of 2, 18*18 Inch, Orange - Walmart.com