Material: polyester+PVC film

Place of Origin: Zhejiang China (Mainland)

Age Group: all the people group

Filling: PCM

Use: Neck

the coolling pillow/mattress can keep temperature(86 F) constant for 8 to 10 hours,it is soft,comfortable,innoxious and scentle the cooling pillow/mattress/cushion can keep temperature constant for 8 to 10 hours. The phase change materi