Types of Sticky Bra: Silicone, Foam Cups, Petals and Tape Explained

By , VP at Shapify
Shapify backless silicone sticky bra

There are four main types of sticky bra: all-silicone cups, foam or fabric-covered cups with an adhesive lining, adhesive petals (nipple covers) and body tape. Silicone cups are heavier and cling closely; foam cups are lighter and hold a rounded shape; petals only cover; tape gives the most lift but is single use. One cup style plus a pair of petals covers most wardrobes.

The names used online don't help much. "Silicone bra", "stick-on bra", "adhesive bra", "backless bra" and "invisible bra" are used for quite different things. What's actually inside the cup decides how it feels five hours into a wedding, whether it shows under a thin satin blouse, and how well it takes repeated washing.

What are the main types of sticky bra?

Type What it is Feel Shape and lift Reuse
All-silicone cups Cups made of soft silicone throughout, sticky on the inside Heavier, very clingy, can feel warm in humid weather Moulds closely to the bust; lift mainly from a centre clip, if it has one Reusable with careful handling
Foam or fabric-covered cups Shaped foam cups with an adhesive lining inside Lighter, closer to a regular bra Holds a rounded shape even on a smaller bust; clip adds lift Reusable with careful handling
Petals or nipple covers Small round or flower-shaped covers Barely noticeable No shape or lift, coverage only Silicone ones are reusable; many fabric ones are single use
Body tape A roll of stretchy adhesive tape you cut into strips Light, but covers more skin The most lift, from below Single use

Silicone cups vs foam cups: what's the difference?

All-silicone cups are soft and dense. They mould closely to the bust and move with it, which some women like under a fitted gown. The trade-off is weight and warmth: solid silicone weighs more than foam and sits thick against the skin, so on an April afternoon or in a crowded mandap you may feel sweat building under it. Heavier cups also rely more on the adhesive to stay put.

Foam-cup sticky bras, often sold as fabric sticky bras, use a lighter shaped cup with adhesive on the inside only. They feel closer to wearing a regular bra, keep their rounded shape on a smaller bust, and feel lighter over a long day. Neither type breathes like fabric, though, because both hold on with adhesive against the skin. Our backless silicone sticky bra is this type: moulded foam cups lined with silicone adhesive, a clip at the centre for lift, and no straps, band or wires. It comes in black or nude, in cups B, C and D.

  • Silicone cups suit a short evening in an air-conditioned venue and anyone who wants the most natural movement.
  • Foam cups suit long, warm days, smaller busts that want more shape, and anyone who finds silicone heavy.
  • Either works under backless, strapless, halter and off-shoulder outfits for cups B to D.

To find your cup, use the bra size chart: cup B fits 36A, 34B and 32C; C fits 38A, 36B, 34C and 32D; D fits 38B, 36C, 34D and 32DD.

When are nipple covers enough?

Petals don't support or lift anything; they only cover. They're the right choice when your bust doesn't need support under that particular outfit and you just want no outline, such as a slip dress on a smaller bust, a fitted cotton top on a hot day when a bra feels like too much, or under body tape.

  • Silicone petals are usually washable and reusable, while many fabric petals are made for one wear, so check the pack.
  • Place them on completely dry skin, centred, and smooth the edges flat so they don't show as a circle under thin fabric.
  • Pair them with tape when you need lift and coverage together.

Our nipple covers guide goes through the types and how to wear them.

Where does body tape fit in?

Tape isn't a bra at all. It's a roll of stretchy adhesive that you cut into strips and run from under the bust up towards the shoulder. It gives more lift than any cup style, especially above a D cup, and works with plunges and cut-outs where a centre clip would show. The trade-offs: it takes practice, each strip is used once, and it needs oil or warm water and a slow hand to remove. Our side-by-side comparison of sticky bra vs boob tape goes through that decision outfit by outfit.

How do you choose the right type?

  1. Start with the neckline. Backless, strapless, halter or off-shoulder, without a plunge past the centre: a cup style. A deep plunge or open sides: tape.
  2. Check your bust size. Cups B to D: either cup style. Above D: tape gives more lift.
  3. Think about the hours and the weather. A long, warm function points to lighter foam cups. A short evening in AC works with either.
  4. Look at the fabric. Light or sheer fabric needs a nude shade; dark fabric works with black. Very fine satin shows any edge, so test in daylight.
  5. Consider your skin. If adhesives tend to bother you, patch test, keep wear short and read whether a sticky bra is safe for sensitive skin first.

How do you care for each type?

Every adhesive style loses grip when it collects skin oil, lint and dust, so care is mostly about keeping the sticky side clean.

  • Foam and silicone cups: after each wear, rinse the adhesive with lukewarm water and mild soap, then air dry sticky side up. Don't towel the adhesive, because lint sticks to it.
  • Silicone cups: hold them by the edges and keep long nails away, since soft silicone can nick.
  • Reusable petals: rinse and dry them the same way as cups.
  • All types: store them with the adhesive covered, away from dust, and never in a bathroom drawer full of steam.

For step-by-step cleaning and storage, see our guide on how to clean a sticky bra. You'll find our cup style in the sticky bra collection.

Choose a cup style for backless and strapless outfits, a light foam cup if you'll be wearing it for hours in the heat, petals when you only need coverage, and tape when you need serious lift or a plunging neckline. Knowing what each one does saves you from finding out at the venue.

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The pieces mentioned in this guide.

Frequently asked questions

What is a fabric sticky bra?

It usually means cups with a foam or fabric outer and an adhesive lining inside, as opposed to cups made entirely of silicone. They tend to be lighter and feel closer to a regular bra.

Which type of sticky bra is most invisible?

The one in the right shade and cup size: nude under light fabric, black under dark. Very thin, clingy fabric shows any edge, so check in daylight before the event.

Are silicone sticky bras better for hot weather?

Usually not. Neither type breathes much, since both stick to the skin, but solid silicone is heavier and thicker, so lighter foam cups tend to feel easier on a long, warm day.

Do nipple covers give any lift?

No, they only cover. For lift without straps, use a sticky bra with a front clip, or body tape if you're fuller than a D cup.

Which type lasts longest?

Reusable cup styles, as long as you rinse the adhesive after each wear and store it covered. Body tape and most fabric petals are single use.