Frame constructions have been rigorously tested to simulate the home and transportation environments for improved durability. Corners are glued, blocked and stapled. Seats and back spring rails are cut from 7/8 hardwood. Stripes and patterns are match cut. All fabrics are pre-approved for wearability and durability against AHFA standards. Coil Seating features individually pocketed coils to create uniformed shape and consistent support for durable seating comfort. Style features Jumbo Stitching and panels with brads (decorative nails).