A: Hair bundles are wefts (tracks) of human or synthetic hair sewn or bonded together, typically used for sew-ins, wigs, quick weaves, or clip-ins.

• Shorter lengths (10–14"): 2–3 bundles

• Medium lengths (16–22"): 3 bundles

• Longer lengths (24–30+"): 3–4+ bundles *Curly or thicker textures may require fewer bundles than straight or fine textures.