Heavy Duty Couch Cushion Support Board for Sagging Sofa Cushions (21"x72")

Product Details

• Color:Black
• Pattern:Hexagram anti-slip pattern
• Size:21.5 inch x 72 inch
• Item Dimensions:21.5 x 72 x 0.4 inches
• Included Components:1 Couch Support Board
• Number of Items:1
• Unit Count:1 Count
• Model Number:21.5
• Shape:Rectangular
• Seat Depth:21.5 inches
• Seat Height:0.4 inches
• Item Dimensions D x W x H:21.5"D x 72"W x 0.4"H
• Seat Interior Width:72 inches
• Item Density:730 kilograms_per_cubic_meter
• Item Depth:21.5 inches
• Sofa Type:Standard
• Additional Features:Anti Sag, Breathable, Folding, Stay in place non slip hexagram pattern, Tool Free Assembly
• Room Type:Bedroom, Guest Room, Living Room
• Collection Name:Heavy Duty
• Number of Pieces:1
• Indoor Outdoor Usage:Indoor
• Orientation:Forward Facing
• Manufacturer Grade:A
• Recommended Uses For Product:Indoor use, Residential
• Item Highlight:Adjustable Length from 60in to 72in, Heavy Duty, Extra Wide & Deep, Anti-Slip, For Sagging Cushions
• Number of Packs:1
• Age Range Description:Everyone
• Manufacturer Part Number:21.5
• Style Name:Practical
• Back Style:Backless
• Cushion Style:Adjustable Length
• Frame Color:Black
• Upholstery Color:Black
• Accent Color:Black
• Finish Types:Textured
• Weight Capacity Maximum:500 pounds
• Seating Capacity:4
• Item Firmness Description:Extra Firm
• Seat Cushion Configuration:Multiple Cushion Seat
• Reclining Seat Count:4
• Sofa Back Cushion Support:Firm Support
• Minimum Weight Capacity:181.4 pounds
• Upholstery Fabric Type:Oxford Weave 600D
• Frame Material Type:0.4" thick plywood
• Material Type:0.4" thick High-Quality Reinforced Plywood Boards, Engineered Wood, Slip-resistant hexagram pattern
• Has Removable Seat Cushion Cover:false
• Product Care Instructions:Wipe with Damp Cloth
• Seat Back Fill Material:Polyester
• Fill Material:0.4" thick High-Quality Reinforced Plywood Boards
• Material Features:Anti-Slip Hexagram Silicone Fabric, Heavy Duty Plywood Core, Tear Resistant Oxford 600D Fabric
• Cushion Construction:0.4in thick ultra-strong plywood
• Component Connector Assembly:Not Required
• Assembly Instructions Description:Already assembled - no tools required

About this item

• Xxl Adjustable Coverage: Measuring 21.5" x 72", this extra-large support board is perfectly sized for 3-seater and 4-seater sofas. The innovative foldable design allows it to adjust from 60" to 72", ensuring a snug fit for various couch widths.
• Superior Plywood Strength: Unlike flimsy plastic or cardboard alternatives, our support features a 0.4" thick heavy-duty plywood inner core. This provides 3x the reinforcement of standard supports to instantly fix sagging and restore firm, upright seating.
• Exclusive Anti-slip Hexagram Grip: Say goodbye to shifting cushions! One side is equipped with a specialized anti-slip hexagram pattern that creates a high-friction surface, keeping your cushions securely in place even with heavy daily use.
• Durable & Waterproof Fabric: Wrapped in premium, tear-resistant Oxford fabric, this board is built for longevity. The material is waterproof and breathable, protecting your furniture while providing a comfortable, stable base.
• Say Goodbye to Back Pain: By providing a level, firm surface, this board helps correct poor seating posture caused by sagging springs. It’s an ergonomic and cost-effective way to improve comfort and extend the life of your favorite furniture without expensive repairs.
• Easy No-tool Installation: Simply slide the support board under your sofa cushions without any tools or disassembly required. The foldable design makes it easy to insert into tight frames, providing an instant upgrade to your seating experience.
• Versatile Furniture Solution: Suitable for various types of couches and sofas, this cushion support board helps restore firmness to worn-out furniture. It offers a practical alternative to costly furniture replacement or professional repairs.