material:memory from 40D to 100D
washnable cover
suitable for all groups
Useful: improve your sleeping quality.

1.Material: memory foam from 40D to 100D

2.adjust its height to fill in the space between your head and shoulder while sleeping on your side,and comfortably support your neck so that it is in line with your spine.
3.cover:velvet,layer air materials with zippers, washable.
4.packing:nice color box or PVC bag
5.any density,any size,any cover,any quantity is available