Arc4life Traction Pillows for Sleeping with Pillow Covers - King, Queen, Travel Bed Size Pillows, Side and Back Sleeper with Zip Protectors, Cervical Traction (Medium: 24" x 17") How to Choose the Right Size of Arc4life Pillow - See Under Images a Sizing Chart Firm Cervical Support Pillow That Offers Neck Support & Gentle Neck Stretching PILLOWS FOR SLEEPING - Relaxer for your neck and shoulders. Best for the side and back sleeper. Firm and Gentle neck rolls work to align your spine. PILLOW COVERS - Even with a pillow case on the pillow, this orthopedic pillow provides excellent neck and shoulder support. Easy to put on and off. KING SIZE PILLOWS - Customize to your height, weight - sleep on a king, queen or small travel pillow. Chiropractic approved. Neck pain relief cushion. PILLOW PROTECTORS - Zip pillow protector will protect from bed bugs and dust mites. Extra hypoallergenic pillow cases available for your home. Machine washable cover. BED PILLOWS - Can be used as a cervical traction device and works as a neck stretcher. Muscle pain relief. Helps with pinched nerve and headaches.