The Erith Three-Piece Cover-Up Bikini Set
The Erith Three-Piece Cover-Up Bikini Set
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Swimwear & Lingerie Size Guide
For swimwear, lingerie and loungewear sold in letter sizes. These are body measurements.
| Size | UK | EU | Bust (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|---|
| XS | 6 | 34 | 78–81 | 60–63 | 86–89 |
| S | 8 | 36 | 82–85 | 64–67 | 90–93 |
| M | 10 | 38 | 86–89 | 68–71 | 94–97 |
| L | 12 | 40 | 90–94 | 72–76 | 98–102 |
| XL | 14 | 42 | 95–99 | 77–81 | 103–107 |
| XXL | 16 | 44 | 100–104 | 82–86 | 108–112 |
| XXXL | 18 | 46 | 105–110 | 87–92 | 113–118 |
Choosing your size
- Bikinis and swimsuits: choose your top by your bust and your bottoms by your hip. For a one-piece, choose the larger of the two sizes.
- Swimwear is designed to fit closely. If you are between sizes, choose the larger size for comfort.
- Bras sold in cup sizes (for example 34B) follow the band and cup shown on the product page.
- For hygiene reasons, please try swimwear and lingerie on over your own underwear.
How to measure
- Bust – around the fullest part, keeping the tape level across your back.
- Waist – around the narrowest part, usually just above the belly button.
- Hip – around the fullest part of your hips and bottom.
- Free UK delivery on orders over £49 (£3.99 otherwise)
- Tracked UK delivery in 6–10 working days, or Express in 4–7 working days (£7.99)
- 30-day returns · free exchanges
Description
Description
The resort three-piece
Crinkle texture, from swim to lunch.
A string halter bikini with a tie-front long-sleeve cover-up and a wrap skirt, all in the same crinkled texture. Wear the bikini to swim and add the top and skirt for a beach lunch.
Why you'll love it
- The bikini: a halter triangle top with string-tie briefs
- The cover-up: a cropped long-sleeve top that ties at the front, with wide, flared cuffs
- The skirt: a wrap mini that ties at the hip
- The texture: a crinkled, seersucker-like surface in Brown, Black or White
See every angle



Where to wear it
Beach holiday · Beach club lunch · Honeymoon · Island hopping · Winter sun
Team yours with
Fit & size
Relaxed cover-up over a close-fitting bikini. Ties at the halter, hips and waist adjust the fit; between sizes, choose the larger size.
Fabric & care
- Textured polyester blend
- Hand wash cold, dry flat
How it looks on you
Bought this bikini? Email a photo of you wearing it to support@marvelleof.com and, with your permission, we may feature it here.
Size & Fit
| Size | UK | Bust (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|
| S | 8 | 82 – 85 | 64 – 67 | 90 – 93 |
| M | 10 | 86 – 89 | 68 – 71 | 94 – 97 |
| L | 12 | 90 – 94 | 72 – 76 | 98 – 102 |
| XL | 14 | 95 – 99 | 77 – 81 | 103 – 107 |
Body measurements. Between sizes? Choose the larger size for a fitted look. Full size guide

Discover Marvelle
Pieces chosen for the season ahead
Marvelle is an online fashion boutique. We choose dresses, knitwear, coats, shoes and bags for the season, with tracked delivery in 6–10 working days to the UK and worldwide (UK Express in 4–7) and 30-day returns.
FAQ
How does delivery work?
Every order is sent with tracking. UK Standard Delivery arrives in 6–10 working days and costs £3.99, or is free on orders of £49 or more; UK Express Delivery arrives in 4–7 working days and costs £7.99. International Delivery arrives in 6–10 working days and costs £7.99, or is free on orders of £79 or more. Outside the UK, import duties and taxes may be charged on delivery.
How can I contact you?
Email marvelle.oficialuk@gmail.com. We reply Monday to Friday, within 24 hours.
Which payment methods do you accept?
You can pay with the methods shown at checkout. Payments are processed securely by Shopify.
How do I return an item?
You have 30 days to return an item. Email us first and we will send you the return details. In the UK, exchanges are free and a £3.95 fee is taken from refunds. From outside the UK, you pay the return postage and no fee is taken.
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