McHAIR 8" 2 Layer is designed to fit from ear to ear at the occipital bone and create an under layer of length and volume. This can be worn alone to add length to the back only or worn with an 11" 1 or 2 Layer above it. 2 Layer 8" McHAIR comes with 3 clips for security and 2 Layers of hair for incredible volume and length.