I've knitted a soft and fluffy detachable collar using 100% cotton yarn♪ I think it can be used with a wide range of items, such as plain T-shirts and simple dresses ^ ^ When your neckline feels a little plain, How about adding a stylish accent? It can be attached and detached with buttons☆ I haven't ironed it, so please iron it as needed ^ ^ Neck circumference: Approximately 43 cm Collar width: Approximately 6 cm ※ This item was made as a hobby by an amateur. Please refrain from purchasing if you are sensitive to imperfections or seek perfection m(_ _)m ※ The color and texture may appear slightly different depending on your device and viewing environment.