Selling because it's outgrown. Feels like a slightly larger 140 size, maybe. I think it's flannel material. Feels nice to the touch. - Material: 100% cotton #brushed - Size: 140 (See image 6 for details) - Product Name: Nightwear - Design: Striped pattern, Blue x White - Target age: 135-145cm Thank you for looking. Sleeve Length: Long sleeve Color: Blue Season: Autumn, Winter