High Ponytail Hack with Clip In Hair Extensions | TikTok。NEW Keratin Ponytail Clip In Hair Extensions. Never used. 16” in length Specially-designed Clip And Velcro Closure For Secure Wear #51 Champagne Blonde (see photo for hair color match) Comes with box and hair treatment. Last 2 photos show hair colors that match pony. The quickest and easiest way to achieve the ultimate ponytail is with the ponytail clip-in hair extension. Keratin clip-in hair extensions, add instant length, volume, and style to your hair in minutes. 100% Keratin Protein Pony Hair Clip. Clip: Made from a keratin-rich fibre, this keratin protein range provides you with a super-thick ponytail. Keratin ponytail hair extensions can handle heated tools up to 90°C or 200°F.