【Comfortable Travel】 The BABYZEN YOYO footmuff is designed to keep your baby comfortable. The inner boa material is warm, providing peace of mind even on cold days. I used it for about one season. Because it's made of boa material, it's prone to scuffing and dirt, but since it was only used for one season, I think it can still be used. It has been washed with Sarasa detergent. Please refrain from purchasing if you are overly concerned about minor imperfections.