Outdoor Bistro Chair Cushions, Round Chair Cushions Waterproof and Fade Resistant Chair Cushion Pads with Non-Slip Ties and Removable Covers for Garden Round cushions for outdoor furniture adopt triple waterproof technology, which includes waterproof oxford, TPU coating, and waterproof inner cover. The design makes our cushions more suitable for outdoor use Filled with 30D high-density sponge, and the patio chair cushions provide excellent support, alleviating pressure on your hips, lower back, and sciatic nerve. The foam's high-rebound properties ensure long-lasting comfort, making these cushions perfect for extended sitting sessions. Zippered covers are fully removable and machine-washable, making cleanup simple. Each cushion arrives in compressed packaging—just allow 24–48 hours to fully expand before use. They are ideal for various seating options such as garden chairs, dining chair, front porch seats, barrel chairs, wicker furniture, and bistro sets. To ensure the best fit, please measure your furniture before purchasing.