I think a good cleaning on the sleeves will bring it out good.

The Baby Phat Girlz Puffer Jacket is a stylish and practical winter coat designed for girls in size M (10-12). Made with faux fur and lined with 100% polyester fleece, this long-sleeve coat features a removable hood, full zipper closure, and zipped pockets for convenience. The pink color, embroidered accents, and vintage design make it a trendy choice for the winter season. With its heavyweight insulation and water-resistant outer shell, this puffer jacket is sure to keep your little one warm and comfortable during the colder months.