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Choosing between seamless, classic and invisible clip-in hair extensions comes down mostly to the weft at the top of each piece. Seamless Clip-In hair extensions have flat, silicone-backed wefts for an undetectable finish, Classic Clip-In hair extensions have flexible stitched wefts and sets up to 270g, and Invisible Clip-In hair extensions sit on ultra-thin mesh bands for quick coverage at the crown. All three are 100% cuticle Remy human hair, double-drawn, thick from root to tip, and they last up to 12 months for regular wear and up to 2+ years for occasional wear.
Each type is a set of ready-to-wear wefts you can clip in yourself in around 5 to 10 minutes. Here's how they compare, who each one suits, and how to choose the right weight for your hair.
What's the difference between seamless, classic and invisible clip-in hair extensions?
All three types of our clip-in hair extensions are made to the same high standard. The difference is in how each piece attaches. Classic Clip-In hair extensions have flexible and durable stitched wefts for a comfortable fit. Seamless Clip-In hair extensions use a thin, flexible silicone band instead of a stitched top, which means the weft lies flat for an undetectable finish. Both use pressure-sensitive clips for a secure, comfortable hold. Invisible Clip-In hair extensions sit on ultra-thin invisible mesh bands that rest flat against the scalp, with flat-laying wefts made for quick coverage at the crown and along the scalp.
| At a glance | Seamless Clip-In hair extensions | Classic Clip-In hair extensions | Invisible Clip-In hair extensions |
|---|---|---|---|
| Weft | Thin and flat, silicone weft | Flexible and durable stitched weft | Invisible mesh band mimicking natural hair growth |
| Lengths | 14", 16", 18", 20", 22" and 24" | 18", 20", 22" and 24" | 12", 16", 18" and 20" |
| Weights | 90g to 250g | 125g to 270g | 45g to 55g |
| Best for | An undetectable finish on a wide range of hair types, including fine hair | Length and volume, with recommended sets for fine, medium and thick hair | Quick coverage at the crown and along the scalp |
| Lifespan | Up to 12 months for regular wear and up to 2+ years for occasional wear | Up to 12 months for regular wear and up to 2+ years for occasional wear | Up to 12 months for regular wear and up to 2+ years for occasional wear |
Choose the best extensions for your lifestyle with Bombay Hair
Who are Seamless Clip-In hair extensions best for?
Seamless Clip-In hair extensions are a lovely choice if you'd like a flat, natural-looking finish. The silicone wefts sit comfortably against the scalp without added bulk, and they're designed to work for a wide range of hair types, in lengths from 14" to 24" and weights from 90g to 250g.
Our best seller is the 20" 190g set of Seamless Clip-In hair extensions, which has 8 pieces. If your hair is very fine, go lighter in grams for comfort. If your hair is very thick or has a blunt cut, choose a heavier set so your ends look full and blended.
Who are Classic Clip-In hair extensions best for?
Classic Clip-In hair extensions have flexible and durable stitched wefts for a comfortable fit, and they come in sets up to 270g, with recommended options for fine, medium and thick hair. Our 220g sets of Classic Clip-In hair extensions, in 20" and 22", are our most popular range.
For fine or thin hair, we recommend 18" 125g or 20" 160g. For medium hair, we recommend 18" 190g, 20" 220g or 22" 220g. For thick hair, we recommend longer, fuller sets from 20" to 24", at 220g to 270g.
Who are Invisible Clip-In hair extensions best for?
Invisible Clip-In hair extensions are made for targeted coverage. They provide quick coverage and extra volume at the crown and along the scalp, on ultra-thin invisible mesh bands that rest flat against the scalp, and they're designed to complement all hair types. Each set has four 7 cm wefts and two extra small clips, in 12" (45g), 16" (50g), 18" (55g) or 20" (55g).
To wear them, part your hair where you'd like extra fullness and coverage, attach a weft to the sectioned hair, and snap the clips shut securely.
How do you choose between seamless, classic and invisible clip-in hair extensions?
- Decide what you'd like to add. For length and all-over volume, choose Seamless Clip-In hair extensions or Classic Clip-In hair extensions. For coverage at the crown and along the scalp, choose Invisible Clip-In hair extensions.
- Consider how thick your hair is. Fine hair generally needs a lighter set with more, narrower wefts, while thick hair suits fuller sets, such as 20" to 24" Classic Clip-In hair extensions at 220g to 270g.
- Choose the weft you prefer. Seamless wefts lie flat for an undetectable finish, and classic wefts are flexible, durable and stitched for a comfortable fit.
- Match the shade. We offer free color matching from a photo, or you can purchase swatches to compare shades.
Which clip-in hair extensions are best for fine or thin hair?
Seamless Clip-In hair extensions are a lovely fit for fine hair, since their thin, flexible band lies flat against the scalp. Fine hair generally needs a lighter set with more, narrower wefts to distribute the weight comfortably. If you prefer a stitched weft, Classic Clip-In hair extensions in 18" 125g or 20" 160g are recommended for fine or thin hair.
For a fuller crown, Invisible Clip-In hair extensions add quick coverage exactly where you'd like it, and our Thinning Hair Fill-Ins add natural-looking coverage near the part line and crown with thin, seamless silicone wefts. Our guide to hair extensions for fine and thin hair goes into more detail.
Choose the best extensions for your lifestyle with Bombay Hair
How many grams of clip-in hair extensions do you need?
Choose the weight for your hair type first, then pick the longest length that still looks full at that weight. As a guide, Natural Volume is up to 125g for subtle, natural-looking fullness, Full Volume is 125g to 190g for noticeably fuller hair, and Extra Full Volume is 190g to 270g for maximum fullness. Longer lengths need more weight to stay full.
Our guide to how many clip-in hair extensions you need goes through each weight, and our hair extension length guide shows where each length falls.
Whichever type you choose, our clip-in hair extensions come in 30+ colors. As a woman-owned brand trusted by 500,000+ customers worldwide since 2013, we're happy to help you choose.
Good hair days ahead.
Frequently asked questions
What is the difference between seamless and classic clip-in hair extensions?
The difference is the weft. Classic Clip-In hair extensions have flexible and durable stitched wefts, while Seamless Clip-In hair extensions have silicone-backed wefts that lie flat for an undetectable finish. Both are 100% cuticle Remy human hair with pressure-sensitive clips for a secure, comfortable hold.
Are invisible clip-in hair extensions the same as seamless clip-in hair extensions?
They're two different types. Seamless Clip-In hair extensions are full sets with flat silicone wefts, while Invisible Clip-In hair extensions are four-piece sets on ultra-thin invisible mesh bands, made for quick coverage at the crown and along the scalp.
Which clip-in hair extensions look the most natural?
All three types are made to blend, and the most natural look comes from the right type, weight and shade for your hair. Seamless Clip-In hair extensions lie flat for an undetectable finish, Invisible Clip-In hair extensions lie flat against your scalp for natural-looking volume that's virtually undetectable, and Classic Clip-In hair extensions come in multi-piece sets so you can create a natural blend.
Which clip-in hair extensions are best for beginners?
Our Classic Clip-In hair extensions are the simplest first buy for most beginners, and every type clips in at home in around 5 to 10 minutes. Our guide to the best hair extensions for beginners compares every option.
How long do clip-in hair extensions last?
Our clip-in hair extensions last up to 12 months for regular wear and up to 2+ years for occasional wear. Seamless, classic and invisible sets share the same care: wash them every 15 to 20 wears with sulfate-free, alcohol-free products, and remove them before sleeping.
xo, Team Bombay
