Cushions are a common accessory for sofas, chairs, beds, and other types of furniture. They can add comfort, support, and style to a piece of furniture, and can be made from a variety of materials, including foam, feathers, polyester fiberfill, and down. Some common types of cushions include: Back cushions: These are cushions that are designed to provide support for the back while sitting. They can be square or rectangular in shape, and can be made from a variety of materials. Seat cushions: These are cushions that are designed to provide comfort and support while sitting. They can be attached to the seat of a chair or sofa, or they can be loose cushions that can be moved around. Throw pillows: These are smaller cushions that are used for decoration and can be placed on sofas, chairs, beds, or other furniture pieces. They can be made from a variety of materials and come in different shapes, sizes, and colors. Floor cushions: These are large, firm cushions that are designed to be used on the floor as seating. They can be made from foam or other materials, and can be covered in fabric or other materials. Outdoor cushions: These are cushions that are designed to be used outside on patio furniture or other outdoor seating. They are often made from weather-resistant materials, such as Sunbrella fabric, and can be filled with foam or other materials.