[Premium Materials]Our sofa seat cushion is made of high-density foam, offering superior resilience and durability. This enhances the cushioning support, extends the sofa's lifespan, and restores its comfort. [Comfortable Fit]The curved structural design offers excellent resistance to deformation and compression, enhancing the sofa's comfort and support for a more comfortable seating experience. Note: Manual measurements may vary by 1-2cm. [Convenient to Use]Simply place the sofa support pad beneath sagging cushions to swiftly and effectively restore and secure drooping furniture upholstery. The foam can be easily trimmed to enhance the fit. [Versatile Use]Our foam pads feature stylish and subtle colours to maintain the aesthetic appeal of your sofa. They are suitable for supporting and restoring soft seating, loveseats, sofas, recliners, motorhome cushions, and any furniture with removable seat cushions. [Safety-Friendly]The sofa cushion features a smooth, burr-free surface with finely finished edges that offer a soft-touch feel. During daily use, it gently conforms to the sofa fabric, effectively protecting it from scratches while preventing any uncomfortable friction when skin comes into contact. Suitable for long-term household use.