Williams-Sonoma has a Sunbrella pillow cover in emerald for $19.99
with free monogramming
and free shipping
Reg. price is $49 (w/out the monogramming and shipping). Sunbrella tends to be expensive but it is super durable.
Crisp and classic, colorful and easy-care, these pillow covers are the perfect accent for outdoor spaces. They're made from Sunbrella® poly canvas, which resists fading and mildew, to look as bright and fresh at the end of summer as they do at the start of spring.