★ 3.3cm is only available in brown. *Colors may vary depending on your display, but it's a bit brighter in person. *Other sizes are available in black/brown. ★ As we run a custom wig shop, all pins are professional-grade, commercial-use. ★ *Please be sure to purchase the correct size for your product to avoid any issues.* This is an introduction to professional-grade clips used by professionals in hair wigs, wigs, and hair extensions. ◆ This is a general description for all sizes; please check the details below for each size. ① 2.3cm: Very convenient mini size: 2.3cm wide x 0.8cm long *Black/Brown. ② 2.8cm: Slightly smaller than standard: 2.8cm wide x 1.2cm long. *Black/Brown. ③ 3.3cm: Standard size: 3.4cm wide x 1.5cm long. *Brown. ④ 3.7cm: Larger than standard: 3.7cm wide x 1.9cm long. *Black/Brown. *If no color is specified, black will be shipped. These clips can be used for various purposes, such as replacing old wig clips, adding more clips to hair extensions, or adding clips to fashionable wigs. They can also be used to prevent slippage in cosplay wigs, etc. ☆ These are imported products, so there may be slight scratches.