It's a free size (F size) ʕ•ᴥ•ʔ It's a bit large, so I think you can wear it for a long time. Please note that it has been worn once. 【Details】 Material: 100% cotton Color: White Size: Free 【Brand Features】 Paul Smith baby clothes combine design and functionality. This quilted material, in particular, snugly wraps the baby and provides comfortable warmth. 【Design】 The design with colorful illustrations is visually appealing and attracts the baby's interest. The striped collar adds an accent and enhances the cuteness. 【Material and Functionality】 The quilted material is lightweight yet has excellent heat retention, keeping the baby comfortable. It's also machine washable, making it easy to care for.