Our patio cushions feature 4-inch thick high-resilience sponge cores for superior comfort and support, wrapped in splash-proof, skin-friendly polyester covers. The set includes 3 double seat cushions (42"x24"x4"), 7 back cushions (25"x14"x3"), and 3 ottoman cushions (15"x15"x4"), all packaged separately for easy assembly and cleaning. Designed with non-slip backs, they’re compatible with outdoor dining sets or standalone chairs. Note: Verify sizing before purchase; colors may vary slightly from images. For longevity, store cushions indoors during bad weather or use protective covers.