Please refer to our Fabrics page for more information on our specially selected fabrics and associated technologies.

Maru offer a range of classic, modern and never-seen-before back types including thin strap designs ideal for outdoor swimming, visually striking multi-strap designs, wide open backs for ease of putting on and taking off and supportive, sporty styles. All backs are designed for ease of movement around the back and shoulder blades and you can filter by your preferred back types when viewing a department containing women’s or girls’ swimwear to help you find your ideal costume.
To compare back types please click here.

Please refer to our Size Guide for information on sizing of Maru swimwear

To keep your Maru garment in the best condition we recommend following the care instructions on the product swing tag and retaining this information for future reference. Please note care instructions vary across the Maru range depending on the fabrics and fabric technology used for each garment.

We recommend referring to the product packaging for detailed care instructions.

Once you have completed your order it is unfortunately too late to go back and amend it as the order details are sent straight to our warehouse team who work to despatch orders as quickly as possible.
If you have made a mistake on your order please contact us as soon as possible and our customer service team will do their best to intercept the order prior to despatch and make the adjustments. If, however, it is too late to amend the order please follow the returns instructions upon receipt of your delivery.

Please visit our Delivery and Returns page for more information on delivery services, charges, order tracking, discrepancies and more.

We use Sage Pay to ensure your payment is processed securely and currently accept the following card types:

  • Visa
  • Visa Debit
  • Visa Electron
  • MasterCard
  • Debit MasterCard
  • UK-issued Maestro
  • PayPal

Confirmation emails are usually received within a few minutes of an order being placed on our site but this can take longer at busy times. Please check your junk/spam email folder if you do not see a notification after refreshing your inbox and if the email has not arrived within two hours please contact us.

We offer a 14 day return guarantee for items purchased through this site. If you would like to return your order please use the free return postage label which came with your order and fill in the returns form.

If there is no return label then please Contact Us to receive a returns label and if you can’t locate the returns form then you can download and print one here .

Please return the item with the product labels and for women’s and girl’s costumes the hygiene strip must still be in place.

The product must be unworn and in resalable condition in order for a refund to be processed.

We cannot process exchanges. If you would like to return your order for a different size please follow the return instructions to obtain a refund and then place a new order on our website for the preferred size.

If you paid for an upgraded delivery service we will only refund this if the incorrect items were delivered or the items are faulty.

Our return address is:

OPRO International Ltd

24 Mark Road

Hemel Hempstead



We recommend packaging the items securely and requesting proof of postage (free from a Post Office) for all returns. Please retain proof of postage as you are responsible for the return(s) until they have been received by us.

Please take a look at our Careers page for information about working at Maru Swimwear

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