Material: Hair Material: 100% human hair; 6D hair extension tool: stainless steelItem size: 16/18/20/22/24/26/28 inchescustom colorsHair weight: 100g per packHair pack: Each pack of extensions comes with 10 clips, each clip contains 10 individual extensions for a total of 100 extensions per pack. (6D HAIR EXTENSION ONLY, NOT INCLUDING 6D HAIR EXTENSION TOOL. IF YOU NEED IT, PURCHASE IT SEPARATELY.)Extension tool: Package with 6 D hair extensions (pistol) and hair removal tongsTraditional hair extension treatments take a lot of time, especially when using micro or nano bead / link extensions.With the 6D hair extension device, you can do the entire treatment in 30 minutes!With the help of specially made hair extension holders, the 6D tool allows you to add 10 extensions at the same time, saving you and your customer time.With 100% real human hair extensions, your client will love not only the experience but also their new look.6D hair extension system features:Do not use electricity, environmentally friendly2. 20 minute installation for the full head (400 strands - 500 strands)3. No tapes, no glue, no chemicals, no clips4. super easy to use it