40D Couch Cushion Support — 22'x22' curved density foam replacement (pack of 3) Key benefits Restores comfort: Replaces lost support under sagging cushions so seats feel firmer and more even. Extends furniture life: Prevents cushions from bottoming out and reduces wear on upholstery and springs. Simple solution: Curved shape fits beneath most sofa, sectional and loveseat cushions to provide immediate support without rebuilding cushions. Product attributes Density/material: 40D density foam for reliable firmness and resilience. Size: 22'x22' (width x depth) — designed to fit standard cushion footprints. Shape: Curved profile to conform to the contour of many seat bases and cushion bottoms. Pack: Includes three (3) identical foam supports for multiple seats or combined support under larger cushions. Application: Intended for use under cushions as a replacement support for furniture that sags or loses its seating structure. How it solves the problem Sagging cushions often occur when the internal foam or webbing compresses. These curved density foam inserts restore structural support under the cushion, improving comfort and preventing further damage to the frame and upholstery. How to use Place the foam support directly under the cushion, curved side up or positioned to match the seat contour. Adjust placement until the desired firmness and height are achieved. Use one insert per seat or two sidebyside for larger cushions or deeper sofas. Specific use cases Living room sectional: Add support under the mostused seats on a sectional to even out seating and eliminate dips. Loveseat or sofa: worn support on a loveseat or sofa without removing or reupholstering cushions. Accent or armchair: Reinforce a favorite chair that has lost firmness to improve seating comfort and stability. What you get Three (3) curved density foam supports Specifications: 40D density, 22'x22' size, curved shape for undercushion placement Notes Designed to be a direct undercushion support; compatibility depends on cushion size and seat frame shape. Measure your cushion area to confirm fit before installation.