Pre-looped weft hair extensions are a type of hair extension that combines traditional weft and micro bead extensions. These extensions are handcrafted and do not require glue or heat for attachment, which helps to prevent damage to the client's natural hair Hair Details: -Hair Texture : Water Wave -Hair Color : Natural Color (Black) -Reusable , Healthy , Thick , High quality -7 pcs per set: 10"x1, 8"x2, 6"x3, 5"x1 -Weighs:16"-20“ about 100g 22"-24” about 120g -Microlink Weft can be used to add Length & Volume to your natural hair.If your head is large or if you have very short hair, you might need two sets for a full head.