Lovef 10pcs Exquisite Pearl Spiral Hair Pin Clip Bun Stick Spin Screw Twist Barrette for Women Hair Styling Tools (14MM) Note: Take care! Since the end of the clip is sharp, be careful in case that hurting your head skin. Designed to fit for all hair type, especially for long hair Fast and easy to use for your perfect bun hair style Spin the hair pin clockwise into your style,twist the pin counter-clockwise to release from your hair style Pearl Size: 14mm, 16mm, 20mm(0.55inch,0.62inch,0.78inch)