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Shop Guide 

FAQ

Calvin Lin
2009/11/18 (updated: 2026/07/19)

Frequently Asked Questions

Where are iSwim Fashion products made?

  • iSwim Fashion underwear and swimwear are developed, designed, and made in Taichung, Taiwan.
  • We use small-batch production, ongoing pattern refinement, and selected semi-custom options to adjust pouch space, back coverage, and overall fit.
  • Our products use stretch fabrics and elastic bands suitable for underwear and swimwear. Please refer to each product page for the specific material details.

Does iSwim Fashion swimwear have a drawstring?

  • iSwim Fashion swimwear uses elastic waistbands with good recovery, so none of our swimwear styles include a drawstring.
  • Most swimwear styles allow you to choose whether to add a front lining. For sheer fabrics or materials that may become more transparent when wet, you may select the lining option according to your personal preference.
  • Please refer to the options and descriptions on each product page for availability.

Can iSwim Fashion products be made to measure or modified?

  • We do not currently offer full made-to-measure service or combine unrelated designs, because each pattern has different proportions and construction.
  • Selected products may offer minor semi-custom adjustments, such as waistband fit, pouch space, or back coverage within the available adjustment range.
  • Common adjustments are usually small changes of approximately 1 cm on each side. Available adjustments and fees depend on the product options or confirmation from Customer Service.
  • For your first order, we recommend choosing a standard size based on your height, weight, and usual fit preference. After trying the iSwim fit, you can decide whether a small adjustment is needed for a future order.

Do I need a member account to place an order?

  • Yes. A member account is required to place an order through the iSwim Fashion official shopping website. New customers can register during checkout.
  • Your Member Center keeps your order history, making it easier to review previously purchased styles, sizes, payment methods, and shipping details.
  • Order records are also used as the main reference for after-sales service and order-related support.

Does the outer package show what is inside?

  • We respect customer privacy. The outer package does not display promotional wording related to sexy underwear or swimwear.
  • Orders shipped within Taiwan use ordinary shipping packaging, so the product style cannot be identified from the outside.
  • International parcels must include a customs declaration according to the destination country’s customs regulations. We currently declare most parcels as swimwear, although clothes or underwear may also be used when appropriate for the actual contents.
  • If the destination customs authority requires a more detailed declaration, we will complete it according to the applicable regulations.

Can overseas customers order online?

  • Yes. iSwim Fashion products have been shipped to more than 60 countries, and international customers can place orders directly through our official website.
  • International orders can be paid by international credit card. PayPal may also be available depending on the order amount and selected shipping method. All PayPal payments are processed in TWD.
  • Available payment methods are automatically shown at checkout according to the shipping method, order amount, and destination.
  • Any import tax, customs duty, or local handling fee charged after arrival is the responsibility of the recipient according to local regulations.

What international shipping methods are available?

  • International shipping options may include DHL Express, EMS, SF Express, Air Parcel, ePacket, and Cross-Strait ePacket.
  • The available options are automatically shown according to the destination, order amount, number of items, and parcel weight.
  • Economy postal services usually take longer and may not include signature service, compensation, or formal postal inquiry in some destinations.
  • For higher-value orders or shipments requiring full tracking, DHL Express or EMS is recommended.
  • For more information, please see Shipping & Payment.

How long does it take before an order is shipped?

  • In-stock items are usually shipped within 2 working days after the order and payment are confirmed.
  • Made-to-order and semi-custom underwear or swimwear usually require approximately 5–7 working days for production, excluding weekends and public holidays.
  • Production time may be longer during holidays, anniversary events, or promotional periods. Please refer to the current website notice.
  • Orders within Taiwan usually arrive approximately 1–2 days after shipment. Delivery to outlying islands or convenience stores may take longer.
  • International delivery time varies according to the destination, shipping method, flight schedule, customs clearance, and local postal or courier operations.
  • For travel, gifts, or a specific receiving date, please place your order as early as possible.

Can underwear or swimwear be returned or exchanged?

  • For hygiene reasons, underwear, swimwear, and other intimate products cannot be returned or exchanged after the package has been opened, or if the item has been tried on, worn, washed, or returned without complete tags and packaging, except in the case of a confirmed product defect.
  • Made-to-order and semi-custom products are produced according to the selected size, style, and adjustment details. Once the order is confirmed and production begins, cancellation, return, or exchange is not available unless the item is defective or does not match the confirmed order details.
  • Please confirm the style, size, back design, color, and semi-custom details before placing your order. For sizing advice, you may provide your height, weight, and usual size before ordering.
  • Final after-sales handling depends on the condition of the item, the order details, and the applicable shopping terms.

What should I do if I receive a defective or incorrect item?

  • If the item has a clear defect, sewing damage, or does not match the confirmed order details, please contact Customer Service within 3 days after receiving the parcel.
  • Please keep the item unused with its tags and packaging intact, and provide the order number together with clear photos showing the issue.
  • Do not try on, wash, alter, or return the item before receiving confirmation from Customer Service.
  • After the issue is confirmed as a product defect or production error, we will arrange a replacement, reshipment, or another appropriate solution according to the circumstances.
  • For international orders, a replacement may be included with your next order or handled through another arrangement confirmed by both parties.
  • Items marked as NG or imperfect, and damage caused by wearing, washing, friction, snagging, or improper use, are not considered new-product defects.