Memory Foam Pillow, Contour Cervical Orthopedic Memory Foam Pillows Supports Neck Pain and Shoulder Pain for Sleeping, Ergonomic Cervical Pillow Neck Support Pillow for Side Back

seems like a good deal for Prime members

https://dl.flipkart.com/s/p_ez...uN - 482 in Flipkart

Memory foam pillows should be from a renowned brand after you start using them to get to understand the difference between cheap brands and established ones. 
Also, the better sleep technology is memory foam gel, so go for that rather ordinary memory foam pillow.