<b>Head Weight: </b> 390g±5. <br> <b>Head Height: </b> 12Inch. Please Allow Slight Dimension Difference Due To Different Manual Measurement. (Please allow 0.3” size tolerance ) Dimension Difference.The Error Is Within The Acceptable Range. <br> <b>Usage: </b> Making And Displaying Wigs, Holding Wigs, Styling Wigs, Cosmetology, Hairdressing Etc. <br>