Quick answer

Use a dedicated washbag for lingerie every time you machine-wash delicate bras, thongs, or lace items. The bag prevents snagging, stretching, and tangling, keeping your fine pieces looking new longer.

Why delicate items get damaged in the wash

Machine washing is convenient, but the tumbling action and friction against other fabrics can easily snag lace, stretch elastic, and distort underwires. Delicate bras and thongs are especially vulnerable because their fine materials and intricate details catch on zippers, hooks, and rougher textiles.

Even on a gentle cycle, unprotected delicates can twist, lose shape, or develop pilling. The result is a shorter lifespan for pieces you invested in, and the frustration of seeing lace pulls or stretched straps after just a few washes.

How a washbag solves the problem

A washbag acts as a protective barrier. It keeps your lingerie contained, reducing friction with other garments and preventing hooks from snagging on lace or mesh. The bag also minimizes tangling, so straps and bands stay in place.

For best results, choose a bag with a fine mesh that allows water and detergent to flow through while keeping small details secure. The Marlies Dekkers Washbag is designed specifically for this purpose: it fits one or two delicate pieces comfortably and is easy to close securely.

Step-by-step: washing bras and lingerie with a washbag

1. Fasten all hooks and clasps before placing items in the bag. This prevents them from catching on other fabrics or the mesh itself. 2. Turn bras inside out to protect the outer lace and padding. 3. Place no more than two items in the bag to allow room for water and detergent to circulate. 4. Zip or close the bag fully, then add it to a load of similar colors. 5. Use a gentle cycle with cold or lukewarm water and a mild detergent. Avoid fabric softener, which can break down elastic fibers. 6. Remove items promptly after the cycle ends and reshape them while damp. Air dry flat away from direct heat.

When a washbag isn't enough

For extremely delicate or structured pieces—such as balcony bras with ornate details or underwire styles—hand washing remains the safest option. The washbag reduces risk but does not eliminate it entirely. If your lingerie has glued-on embellishments or is labeled hand-wash only, follow that instruction to preserve the design.

Diagnosis: Is your lingerie laundry routine causing damage?

  • Symptom: You notice snags, stretched elastic, or lace pulls after machine washing your bras and thongs. These are classic signs of unprotected delicates rubbing against other fabrics or getting caught on hardware.
  • Likely cause: Washing delicate items loose in the machine without a protective bag. Hooks, zippers, and rough textiles cause the damage. The fix is simple: use a washbag for every machine wash.
  • Corrective action: Start using a washbag for all delicate lingerie. Fasten hooks, turn items inside out, and wash on a gentle cycle with cold water. Air dry flat. This routine can extend the life of your lingerie significantly.
  • When to stop or choose another option: If your lingerie has hand-wash-only labels, glued details, or very delicate lace, hand washing is still the safest method. A washbag reduces risk but does not replace hand care for the most fragile pieces. For heirloom-quality or ultra-delicate items, skip the machine entirely.

Product spotlight

  • Washbags: Keep your delicate lingerie and swimwear protected with this washbag from Marlies Dekkers. Offered in a white color option and a one-size fit, it is a practical addition to your care routine for finer pieces. This washbag is sized to hold one or two delicate items without overcrowding, and its simple design makes it easy to use every laundry day. One size fits most standard loads, so you don't have to guess which bag to grab.