Usage 1.Female students to prevent nakedness 2. Cover legs during lunch break to keep warm and prevent nakedness 3. Keep one in the car, the baby can be used 4. Self-driving travel if the temperature difference is big can also be used Minimalist design 1.Button can lock the chest not easy to slip off 2.Pure cotton fabric wrapped edge Simple and not monotonous 3.Lightweight and fluffy softness brings intimate warmth Effect 1. The temperature is "just right". Keeps you warm in the winter office Narrow the sense of temperature difference in the air-conditioned room in summer 2. Japanese minimalist design