This is a very cute handmade付け襟 (detachable collar) perfect for everyday wear! It's been softly knitted with straight needles (*´˘`*) Made with soft yarn, 60% acrylic and 30% lamb's wool, but please be careful with newborns and those with sensitive skin. For care, hand wash in lukewarm water is possible! When drying, lay flat to prevent stretching (*ˊᵕˋ*) Neck circumference: approximately 29 cm, width: approximately 6 cm Adjustable with strings! The color is photographed to be as close to the real thing as possible, but please understand that there may be some variation due to lighting m(*_ _)m It's a little hard to see, but the edge color is navy. One of a kind.