Summary:Welcome to your definitive Tape in Hair Extensions Size Guide. Whether you’re a professional stylist or a first-time user, this guide walks you through the exact length, piece count, and weight specifications across our entire product range — so you can make the right choice with confidence.
Why You Need a Tape in Hair Extensions Size Guide
When shopping for tape-in extensions, two factors matter most: size and weight. Together, they determine:
- Comfort — lighter wefts feel more natural and put less strain on the scalp.
- Blend — the right length matches your bio hair seamlessly.
- Hold — proper weight ensures the tape adhesive stays secure without slipping.
Tape in Hair Extensions Size Guide
Our best-selling everyday option. Available in 12″ to 28″ lengths with 10–40 piece packs ranging from 20g to 100g total weight. Perfect for partial fills, root coverage, and natural volume enhancement. Lightweight and beginner-friendly.
![Tape in hair extensions size guide 1[1]](https://support.sunnyextensions.com/wp-content/uploads/2026/06/Tape_in_Hair_Extensions_Size_Guide_11-1024x1024.webp)
| Size | piece(1 pack) | Weight |
| 12 inch | 10/20/40 (p) | 20/30/60(g) |
| 14-28 inch | 10/20/40 (p) | 25/50/100 (g) |
Tape in Weft Hair Extensions Size Guide
Connected weft design for faster full-head application. Offered in 16–24″ lengths with 1–4 piece packs weighing 50g to 120g. Ideal for stylists seeking maximum coverage with fewer pieces and dramatic fullness.
![Tape in hair extensions size guide 4[1]](https://support.sunnyextensions.com/wp-content/uploads/2026/06/Tape_in_Hair_Extensions_Size_Guide_41-1024x1024.webp)
| Size | piece(1 pack) | Weight |
| 18-24 inch | 1pcs | 50g |
| 16-18 inch | 4pcs | 90g |
| 20-22 inch | 4pcs | 120g |
Injected Tape in Hair Extensions Size Guide
Premium flat-bond technology for ultra-discreet wear. Available in 14–24″ lengths, 20-piece packs at 40g or 50g. Reinforced adhesive and slim profile make it the top choice for fine or oily hair types
![Tape in hair extensions size guide 2[1]](https://support.sunnyextensions.com/wp-content/uploads/2026/06/Tape_in_Hair_Extensions_Size_Guide_21-1024x1024.webp)
| Size | piece(1 pack) | Weight |
| 14-16 inch | 20pcs | 40g |
| 18-24 inch | 20pcs | 50g |
Length Selection by Desired Effect
Beyond the numbers, choosing the right length comes down to your target look. Use this quick reference:
| Desired Effect | Recommended Length | Why This Works |
| Subtle ends-only volume | 12–14″ | Blends seamlessly with shoulder-length bio hair; lightest option for fine-haired first-timers. |
| Elegant mid-length (above chest) | 16–18″ | Most versatile range,adds bounce without drag. |
| Classic long (chest length) | 20–22″ | The goldilocks zone with the highest demand; flatters most heights and looks naturally full. |
| Dramatic waist-length | 24–28″ | Best for taller frames (165cm+) or high-impact styles; requires more pieces (e.g., 40-pack) for a seamless blend. |
![Tape in hair extensions size guide 3[1]](https://support.sunnyextensions.com/wp-content/uploads/2026/06/Tape_in_Hair_Extensions_Size_Guide_31-1024x420.webp)