This Pro Extensions clip in hair extension set is Colored #4 Chocolate Brown. Pro Extensions are 100% human hair extensions. This set of hair extensions is 20" long and 39" wide. This hair extensions set is Grade A, Color #4 Chocolate Brown. The set weight is 105 grams. This set of extensions is our body wave and have a natural wave within the set. Pro Extensions can add length, volume or texture to your current hair style. The extensions can be styled effortlessly as easy as your own human hair and will blend seamlessly into your own hair style.