Make sure this fitsby entering your model number. SELECTED MATERIALS: This Bed Wedge Cushion is made of Made of thick washed cotton. Filled with 7D cotton, full and soft, comfortable. Its foam will retain its shape even after constant use, without bending or sinking. TRIANGLE DESIGN: Keep the back and lumbar spine in a scientific and comfortable posture. At the same time, due to its triangular shape, it can also prevent and relieve cervical and lumbar diseases. MULTI-ANGLE SUPPORT: This bed and sofa back pillow are triangular in shape and can be used at different angles. Pillows are perfect for raising the upper body and legs on the bed or sofa. It is also suitable for people who need special support. EASY TO WASH: Hidden zipper Pillow cover is removable, 100% cotton washing process and machine washable at The water temperature is around 60â„ƒ. It does not itch or get rough even after many washes PRACTICAL GIFTS: suitable for watching TV on the sofa or lounge chair, reading on the bed, decorating the living room, office chairs and chairs, very durable.