One Piece Clip In Human Hair ExtensionsMaterial:human hair,soft,shiny,silky and tangle-free, no synthetic or animalCan be dyed a darker color,styled with hot tools under 180∼C(curled or straightend),bleachedPackage contents:One hair piece with 5 pre-attached clipsLength&Weight:8-12":40g,14-16":45g,18-20":50g,22"-55g,24"-60gBasic Thickness Extension:This series is of thin thickness,mainly for adding volume, and is also sutiable for thin hair to add length&volume.Application Suggestion1. If You Have Short Hair, Want Long & Volume Effect, Buy 4 sets please. 2. If You Have Long Hair, But Thinner, Want Volume Effect, Buy 3 sets please.3. If You Want HighLight Effect, Or Want More Volume, Buy Extra 1 ~ 2 sets please.