The Betty Boop machine wefts: pure jet black glamour with maximum impact.

This is the black that channels vintage icons and creates modern legends. Rich, lustrous, and undeniably sophisticated - it's that perfect jet black that photographs beautifully and commands attention while delivering the kind of high-impact density that creates dramatic, show-stopping transformations. Our machine wefts bring timeless glamour with professional-grade durability.

Why stylists choose our machine weft hair extensions:

• 100% Remi human hair - Tangle-free & smooth for natural movement
• Highest volume machine wefts on the market for maximum impact
• 21.5" wide per 50g bundle - High-density coverage with fewer rows
• 20"-22" lengths - Versatile range for dramatic transformations
• Up to 12 months longevity with proper care and professional installation
• Ideal for sew-in or beaded weft methods - Flexible installation options

How Much Hair Should You Buy?

The number of bundles needed depends on your hair type and desired fullness:

• Fine Hair: 1–2 bundles for natural volume and subtle length
• Medium Hair: 2–3 bundles for fuller, balanced coverage
• Thick Hair or Maximum Volume: 3–4 bundles for dramatic, voluminous styles

Best Practice: For most installs, we recommend 3 bundles to ensure complete, seamless coverage and flexibility during application.

Perfect for clients wanting the deepest color in our collection or dramatic contrast to our Ash Brown Machine Wefts. Browse our complete machine wefts collection to see all available colors.

Master your extension installs with the Christian Michael Weft Master Class — learn signature CM techniques, get step-by-step educator guidance, and deliver stunning transformations.