Hair bulk 1. Material: 100% human hair Hair bulk 2. Color: black, dark brown, brown, light brown, blonde, ombre color, piano color and customized color 3. Length: 14” 16” 18” 20” 22” 24” 26” 28” 4. Texture: Straight, wavy, curly 5. Hair bulk can be used for hot or cold fusion techniques by creating the pre-bonded tips using Keratin adhesive or by applying directly using the Brazilian Knots application. This method involves no braids or harsh glue and allows you easier access to your scalp,specially processed extra soft for relaxed or thermally treated hair. Hair bulk is also an excellent choice for Latch Hook Braiding, French Lacing, Fusion, and Wig Making.