Sieral 4 Pack 18"x18"x2" Chair Foam Cushion Replacement, Upholstery Foam High Density Chair Seat Pad with Polyester, Firm Square Insert for Dining Chairs & Couch, Easy to Cut

Highlights

• Three-layer Structure: this 4 pack chair foam cushion replacement features a three-layer construction; The top and bottom layers are made of soft polyester fiber, while the center is filled with high-resilience foam; This structure provides reliable support along with a comfortable cushioning effect; The polyester surface feels gentle against the skin, helping enhance comfort during extended sitting periods
• High Density Foam: the 18x18x2 inch upholstery foam is built with 2.5 density and 44 ILD compression strength for stable seating performance; This firm seat cushion foam helps reduce sagging and maintains consistent support for dining chairs, office chairs, and couches; The balanced resilience helps extend the functional life of your seating surfaces under regular daily use
• DIY Cuttable Square Foam Design: designed for customization, this square foam insert can be trimmed to match various chair shapes and sizes; Whether updating old dining chairs or creating a personalized seating project, the cuttable design allows flexible adjustments; The 2 inch chair cushion foam adapts easily to different furniture frames without complicated tools
• Versatile Application for Multiple Seating Areas: suitable for dining chairs, office chairs, sofas, benches, and other seating surfaces, this upholstery foam can be used as a cushion insert or general furniture padding; It combines comfort and structural support, making it practical for residential spaces, restaurants, and workspace seating environments
• Compressed Packaging with 48-hour Expansion: the foam is compressed and rolled for shipping efficiency; After opening the package, carefully remove and unfold the foam without using sharp tools to avoid damage; Allow up to 48 hours for the 18x18x2 foam cushion to fully expand to its original size; Please complete the expansion process before trimming or installation