Purchased from the official website about 5 months ago. I didn't use it when sleeping, but used it during the day. It's in relatively good condition, but since it's a used item, please refrain from purchasing if you are concerned. Two covers are included. The mesh fabric triangle mint gray cover has some fuzzing. It comes with the box, but if you don't need it, I'll discount it by ¥100. Retail price: ¥7980 Color: Triangle Mint Gray High-performance gel pad included, which has the effect of maintaining a constant body temperature even in harsh environments. ● Body size ・S size: 200 x 300 x 40mm Suitable size: Head circumference目安40cm or less Estimated age: 0-6 months ● Box size Approx. 35.5 x 26.3 x 7cm ● Applicable age S: Newborn - ● About the gel pad function The gel pad absorbs high body temperature and keeps the temperature at an appropriate level. It can regulate body temperature without overcooling the head when a fever occurs or when the body temperature is high.