Neck pillow that relaxes neck and shoulder muscles with just 10 minutes of sleep. - Model Name: Doublet Family Neck Pillow - How to Use: Relax neck and shoulder muscles with just 10 minutes of sleep - Features: Perfect for desk work and long hours of smartphone use - Color: Black - Effects: Reduces neck and shoulder fatigue Thank you for viewing. Includes instruction manual. This item is sold on Amazon for 3780 yen. I received this as a gift, but since we already have one at home, I am selling this one. I opened it for the photos, but it is unused. Please refrain from purchasing if you are sensitive to used items.