Ergonomic U-shaped core pillow for napping – Lightweight, dry clean only, synthetic fiber cover – Ideal for office, travel, camping, and home use – Supports stomach, back, or side sleepers. Office nap pillow | Ergonomic design | Pillow, sleeping pillowErgonomic U shaped napping pillow [Core support Multi scenario application Three sleeping positions compatible] Core functions: Scientific support for zoning U shaped surface fits the neck and shoulder curves to disperse pressure on the head Washable fiber sleeve Skin friendly material supports local cleaning and hygiene Lightweight design weighs only 380g and folds into a carry on bag Multiple sleeping positions are adapted to effectively support