?? Weight: 100gram. ?? Size: Long: 24.5 cm, Wide: 7 cm, High: 4 cm. ?? Material: ABS(Acrylonitrile-Butadiene-Styrene). ?? Note: 1. Do Not Use Too Much Force to Avoid Damage Hair and Scalp. 2. Recommend Cleaning it After Use to Keep it Clean and Protect The Health of The Scalp. 3. After Cleaning, Wipe With a Dry Towel and Store in a Cool Place. Do Not Expose to The Sun for Too Long So As Not to Reduce The Service Life. 4. Cleaning With The Normal Temperature Water is OK, Do Not Soak In Boiling Water to Avoid Damage The Brush. 5. Stay Away From Fire to Avoid Burning The Brush.