Amazon Basics Memory Foam Back Support Cushion

Back support cushion for providing comfort and alignment throughout the work day; contoured shape fits the natural arch of the lumbar region
Movable design allows you to transfer the cushion between different chairs
High-density memory foam offers firm, long-lasting support
Built-in elastic strap slips over the back of most chairs to keep cushion securely in place
Breathable cover allows for air circulation; can be removed for machine washing