1. The Original McKenzie® Airback Inflatable Support by OPTP (706) (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
Inflatable back support cushionConstructed of durable PVC

2. The Original McKenzie® Self-Inflating AirBack Lumbar Support by OPTP (710) (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
Self-inflating lumbar roll for back supportTwist valve to inflate to the desired level in a matter of seconds

3. Lumbar Roll The Original McKenzie Airback (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10

4. JAPAN SOLUTIONS 3d Memory Foam Lumbar Support Cushion Premium Ergonomic Pillow for Lower Back Pain Relief, Car Seat, Office Chair, Home, Breathable Mesh Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
BEST ERGONOMIC LUMBAR SUPPORT SYSTEM - Do you suffer from back pain or discomfort when sitting, working or driving on seat? Our item is the perfect lumbar back support for office chair or car especially if you sit for long hours helps to CORRCT your posture for lower back

5. 5 in 1 Lumbar Support Memory Foam Cushion ideal Gift,- New Feature No Sweat - Cooling Gel Pad Premium, Lower Back Pain Support, Protect & Soothe Your Back, Improve Your Posture With Soft & Firm Pillow (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
✔✔ INSTANT BACK PAIN RELIEF AND COMFORT - Soothe your tired, aching back with the Ziraki memory foam cushion that gently supports the natural contour of your spine. Enjoy comfort and productivity with precisely molded memory foam that allows you to sit for hours at a time in your office or car comfortably.✔✔ IMPROVE AND PERFECT YOUR POSTURE - Straightens and corrects your posture, with utmost support along your lower back's natural arcs. Protects you from sitting wrong in harmful positions.