Made in Japan Sleeper with Front Buttons Material: Additive-Free Cotton Made in Japan, 6-layer gauze, 100% cotton Popular for autumn, winter, and spring due to the 6-layer gauze construction. Country of manufacture: Made in Japan, both fabric and sewing, for peace of mind and safety. *Due to the natural texture of the material, natural cotton particles (like black specks) may be present on the surface, but this does not pose a problem for a baby's skin. Unused item, stored at home after purchase.