Jordan Manufacturing 18 in. W x 18 in. D x 4 in. Thick Covert Fiesta Stripe Multi-Color Stripe Square Tufted Outdoor Seat Cushions (2-Pack) 9915PK2-4243D - The Home Depot
Better Homes & Gardens 18" x 19" Black Stripe Rectangle Outdoor Seat Cushion (2 Pack) - Walmart.com
Amazon.com: ZTGL 2 Pack Outdoor Cushions Patio Chair Seat Pads, Indoor Kitchen Chair Pads with Ties for Non-Slip Support, Plump Filling, Premium Comfortable Thick Waterproof Chair Cushion,Red,18x18 inch : Everything Else
Amazon.com : Vera Bradley by Classic Accessories Water-Resistant Patio Chair Cushions, 19 x 19 x 5 Inch, 2 Pack, Gingko Butterflies, Chair Seat Cushions : Patio, Lawn & Garden