The material seems to be a mix, so there are some areas that look like stains, as seen in images 13 to 15. Also, the seam under the arm has come apart in some places, as shown in image 11. It's very cute, made of cotton, and has a moderate thickness, making it useful for spring and autumn. AI Summary: Long-sleeved T-shirt with striped pattern and lace decoration. - Brand: HAPPY WALK - Size: L - Design: Striped pattern - Decoration: With lace - Sleeve style: Long sleeve Thank you for viewing.