About the ProductMaterial: Japanese Kanekalon High Temperature Synthetic Fiber. The high heat resistance technology can safely handle temperatures up to 360��F.Color: T1B/27/613(Natural Black To Caramel Blonde To Bleach Blonde) As The Pictures ShowPacking Including: 8 Pieces (18 Clips) Clip-In Hair Extension， 2 x 1.2"; 1 x 3"; 2 x 4"; 2 x6"; 1 x 8"Weight Approx. : 160G/Set For A Full Head (If you like THICKER or need LONG HAIR， it's best to wear ONE MORE bundle. As the Longer the length is， the Thinner the hair is.) Length Approx.: Wavy 18" (stretched 20")Tips For Hair Care:1， Wash and deep condition hair regularly2， Detangle hair gently by hands before washing. Do not rub or twist hair3， Add mild shampoo to cool water and wash hair carefully till clean.4， Have hair to dry naturally. Do not expose to sun or dry by hair drier. Put organ oil to soft hair after wash.5， Comb curly hair gently with your fingers from top to end. Do not brush6， Brush straighter hair in a downward motion straight with the ends. Work your way up to the roots.7， Avoid overuse of hot curlers and flat-irons which will shorten the life of hair.8， Hair may tangle if general care directions are not followed properlyHow To Curl1， Make sure to set your curling iron between 200��F-360��F��93��C-182��C.2， Spray water on the hair.3， Roll up the sectioned hair in the iron for 2-3 seconds.4， Blow on the curl and cool for 2 seconds.5， Repeat step 2-4 until you achieve desired look.