Size: about 8-10 cm Pin material: metal Wool: Imported Queensland Merino wool from Australia ★ Use safety pin (not easy to open with lock) ★ Three-dimensional pins are recommended not to hang on stiff materials ● Please understand that all wool felt is purely manual, which is time-consuming and not the same, and the working day depends on the quantity 1-4 weeks ● Handwork will not be 100% perfect. 100% perfect. Don't be fault-finding. Please think twice about perfectionism. ● The color will be slightly different due to the mobile phone and personal perception, do not order if you mind ● Products must be treated with care and gentleness. Do not use friction to cause damage. ● In response to environmental protection and plastic reduction, packaging materials will be recycled or reused to minimize the use of disposable materials. Please think twice about perfectionism. If you need to send gift packaging, please inform by private message (free of charge) ● Handmade products are not eligible for a seven-day unconditional return ● Express shipments are not accepted, but you can ask for a specific date The above conditions are acceptable before placing an order ★ Wool felt maintenance method If there is dirt, it is recommended to wash it with cold water "lightly" by hand (alkaline soap or shampoo can be used) to avoid deformation or shrinkage. Do not use a washing machine. Do not wash with a brush. Allow it to air dry after cleaning. In order to avoid shrinkage, wool felt is a natural fabric. It is a normal phenomenon that fine wool balls are produced by friction for a long time. It can be trimmed with small scissors, and the surface can be made smoother with a low-temperature iron.