Perfect for staying warm in the cold season! This neck warmer has a pocket to hold a heat pack at the back of your neck ✨ It keeps your neck warm, which is recommended for stiff shoulders and cold sensitivity! Great for relaxing at home, desk work, and sleeping. Soft material feels great on the skin ◎ Color: Gray Size: Free size (unisex) How to use: Just insert a non-adhesive heat pack (regular size) into the pocket! This product is from overseas. Overseas products may have looser standards than those made in Japan, and may have imperfections in sewing or printing. Please check the actual product images and the listed size for the size and color. ▼Regarding Defects▼ If there is a defective product, please contact us before giving a rating. Returns and exchanges cannot be made after the item has been rated. 1.