NK Beauty 23" Long Straight Full Head Clip in Synthetic Hair Extensions Double Weft 7 Pieces 16 Clips 220gCategory: Synthetic Hair WeftThe principle is simple: to "grafting" processed human hair into the original hair. It is necessary to divide the hair into several small communities, and then a lock of tuft of it is a kind of "slow work". "There are three basic methods: gluing, concuting and weaving. Each of these three approaches has its strengths, and the weaving techniques are newer and more natural. "Basically you can keep it for three to six months." Our goal is to offer the best industry brands in wigs and hair extension products and to make on-line shopping easier. SPECIFICATIONHair Extension Type: Straight HairMaterial: 100% Japanese Heat resisting synthetic fiber Natural HairTexture: Fashional Style Wigs High quality, Easy use, tangle free,silky softHair Color: Natural Black Dark Black Rose Red Light Brown Ash Blonde Sandy Blonde Mix Bleach Blonde Sliver Grey So on.Hair Weft: Machine Double WeftFull Head: 16 Clips 7 PieceUnit Weight: 220g/LotHair Length: 23 inchQuality: High quality, Easy use, tangle free silky soft Hair Life: 1-3months (Depends on use and care)1*8" width with 4 clips2*6" width with 3 clips2*4" width with 2 clips2*2" width with 1 clipsHair Extensions CareJust need a little mild shampoo and hair conditioner then washing in lukewarm water, then set on a flat towel and let them naturally dry. Use good quality shampoo and conditioning products.Conditioning your hair is very important to keep it soft and manageable, so use leave in conditioners.You could use gel or hair spray to keep the curls in place, but make sure to wash your hair and not leave in these products in for a long time.Olive oil will be a good choice to keep the hair healthy.This straight texture dries with a beautiful slight wave, flat irons like a dream and blends seamlessly with most hair textures. With proper maintenance, this hair will last a year plus.