When selecting cushions for outdoor furniture, the best options are typically made from weather-resistant synthetic materials. Solution-dyed acrylic fabrics, such as Sunbrella, are top performers for their exceptional fade resistance, water repellency, and mildew resistance. Polyester cushions with a PE foam filling are also excellent for their quick-drying properties. For ultimate durability, look for cushions with quick-dry foam cores and removable covers.
Regarding care, many modern outdoor cushion covers are indeed machine washable, but always check the manufacturer's label first. Most solution-dyed acrylic and polyester covers can be washed on a gentle cycle with mild detergent. It's crucial to remove the covers from their foam inserts before washing. Air drying is strongly recommended over machine drying to prevent shrinkage and fabric damage. For non-removable cushions, spot cleaning with a mild soap and water solution is the safest method. Proper care, including off-season storage, will significantly extend the life and appearance of your outdoor cushions.