Packaging: The package contains four 18.5 x 16 x 3 inch square corner cushions. Two vacuum bags in a carton, and each vacuum bag contains two cushions. Note: They are vacuum packed, they will regain their normal shape within 24-48 hours after you open it Waterproof: These patio furniture cushions are made of comfortable polyester fabric that is waterproof. They will not fade or deform easily, suitable for patio and garden furniture Adjustable Straps Design: Special strap design in the outdoor seat cushion. You can use the attached straps to adjust to make it more stable and fit your furniture better Widely Used: The outdoor furniture cushions are available in two sizes and various colors, suitable for most outdoor patio chairs. You can choose according to your needs and preferences Attention: For a long service life of the patio chair cushions, please bring them inside or use a rain cover on rainy days. If you have any questions, please contact us directly