Product Description Material: Mesh + Sponge Size: 28*12*12cm Recommended Weight: Under 70kg Style: Cylinder, Half Cylinder Color: Black >Quantity: 1 pcPackage Content: 1 pc*cushion1. High-quality materials: Made of high-density and high-elastic sponge, not too soft or too hard, can support the waist and conform to the lordotic curve of the waist. Provide good support and effectively improve posture.2. Detachable and WashableThe breathable mesh cloth is soft, you can easily remove it, it can be washed and easily installed after drying.3. Multipurpose Cushion: It can be used not only as a chair backrest cushion, but also as a neck cushion and knee cushion. Excellent workmanship - each one is well made and carefully selected. 4. Adapted to the human body: Compared to the flat pillow, the cylindrical pillow is more durable and can better adapt to the lordotic curvature of the waist and provide sufficient support for the waist. The elastic fastening band can be fixed on the chair, not easy to run off, and adjustable.5. Take with youThe cushion is light and easy to carry, suitable for any car seat, wheelchair, office chair or computer chair, family chair or seat in public transport such as airplane, subway, bus and train senior kayak medical motorcycle air travel.",