Cooling Effect from 100%
The polygonal shape of the hulls allows air pockets to form which don't flatten out during sleep, these pockets of air are warmed by the infared heat your body produces - thus you have a warm, comfortable pillow which doesn't get hot spots during the night, It is these hot spots (Caused by nasal fluids getting to warm and causing snoring) While sleeping

The Hundred Year Pillow & Mattress is filled with pure buckwheat hulls, herbs to produce some lightsmell. The smell will protect insect & dust mite and generate a sound sleep, Pillow is used extensively throughout the Orient for hundreds of years, expecially in Japanese spa.