Three valuable things such as neck pillow,eye mask and ear piston are your best friend when you are sleeping in office or traveling.
Neck pillow is formed by sweater whose pvc material expericing high temperature and pressure.
Eye mask consist of multi-pretecting sunshine material.( sweater pvc or nylon and cloth)
Ear piston is chosen by high elastical material.It can prevent noise pollution and never hurt your ears.

Detailed data, look into"product catalog".