Nature In Hand Wooden Pillow for Stiff Neck, Shoulder Pain, Massage and Spinal Health (Medium-(height Between 5' 3" ~ 5' 9"(160cm-175cm)) Product is fully made of natural Paulownia Empress Tree which has its natural aroma It has 3 different sizes (SMALL-up to 5' 3", MEDIUM-5' 3" ~ 5' 9", LARGE-over 5' 9") Besides using on neck, item can be used for stretching upper and lower back, lower abdomen and feet Enhance blood and energy circulation to the body and brain(Please refer to User Manual on Technical Specification) 100% hand crafted in South Korea