Cushion: Cushion is the most common sofa bag, which is used to cover the sofa seat and improve comfort. The material of the chair cushion is usually cloth, leather or cotton.

Round quilt cover: A round quilt cover is a bag specially designed for a sofa with rounded corners to cover the rounded corners of the sofa. The material of circular quilt cover is usually cloth.

Backpack: Backpack is a kind of bag with detachable pillow, which is used to cover the back of sofa. Backpacks are usually made of cloth.

Bedsheet: A Bedsheet is a cloth bag with a size suitable for a sofa with a card seat, which is used to cover the entire surface of the sofa. The material of bed sheets is usually cloth.

Cushion: Cushion is a small bag, which is used to cover the back of sofa and improve comfort. Mats are usually made of cloth, leather or cotton.