About viviaBella : We Have Our Own Hair Factory , Produce Hair Wigs Bundles Clip in Extensions etc for 15 Years ,Because of Focus ,So We Are Professional .Viviabella Hair Are Made With The Highest Quality Human Hair, Looks and Feels Just Like Your Own Hair. Accept private customization ,Please Cantact Us on Amazon. Material :100% High Quality Japanese Matte Synthetic High-Temperature Fiber—160 Degrees Centigrade (320 Degrees Fahrenheit) ,Silky Soft and Smooth Like Human Hair . Adjustable Size :Average Cap Size 22.5 Inches,180% Density ,Two Adjustment Straps inside the Cap,Can Be Intertwined to Suit Different Head Sizes. Wig Details Material 100% High Quality Japanese Matte Synthetic High-Temperature Fiber—160 Degrees Centigrade (320 Degrees Fahrenheit) ,Silky Soft and Smooth Like Human Hair . Cap Size Adjustable Size :Average Cap Size 22.5 Inches,180% Density ,Two Adjustment Straps inside the Cap,Can Be Intertwined to Suit Different Head Sizes. Color All the Photo Ware Taken in the Sunlight ,to Ensure the Naturalness of Color Wig Styles All Kinds of Styles Mnay Styles to Choose ,Private Customization is Acceptable, Please Cantact Us on Amazon or Whatsapp :+8618697358977