Perfect Windsor Chair Fit - Snug, supportive cushion with 35D high-resilience foam - thick enough for comfort but slim enough to suit most Windsor chairs (fan-back, spindle-back, or curved) Sit Comfortable, Stay Supportive - Breathable cover stays soft, while the high-rebound foam keeps shape for years - no sagging, even after daily use Grips & Stays Put - Non-slip grid backing + long ties lock it in place - zero sliding, even on smooth chairs Versatile Application - perfect for enhancing the comfort and style of seating in a wide array of venues, including home and restaurant chairs, stools, patios, cafes, dining rooms, and kitchens Toss in Wash, Good as New - Zip-off cover machine washes cold. Air dry, reattach - no stains, no fuss