Japanese socks made by a Japanese sock maker three-dimensionally with a special machine. The dog's socks have a lovely charming tongue that pops out. Baby who is not good at socks can wear it happily. It is made in Japan with a choice of materials that are safe for babies and one point at a time. Gentle on baby's skin! The mouth is made of soft rubber. It fits gently without pain. The back is also slip-proof and safe (XS only). The lovely and happy point of the brand logo's non-slip. Material: cotton, acrylic, polyester, polyurethane Available in two colors, beige and white.