Size 10 is approximately for ages 10 to 11. Due to the camera's image quality, the gray material appears crushed and difficult to see. ① is sweatshirt material, with a brushed back. There are no noticeable scratches or stains. ② is sweatshirt material, with a looped back. This has several ink stains from calligraphy. Waterproof, compressed, and envelope packaging. Shipped via Yu-Packet Plus. Shipping only on weekdays. Closed on weekends and holidays. As the seller's name indicates, shipping will be 1-2 days after January 4th, so please be aware of this.