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Fair Rubber Partner | Design that feels good — and does good.
 Your purchase helps create positive change: Every bottle sold supports fair wages and working conditions for rubber farmers-committed to making comfort with a conscience.
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Hot-Water Bottle
Ready-to-Wear

Meet the original wearable Hot-Water Bottle trusted by thousands. Designed to keep you warm and cozy during your daily routines
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Foundly® Kühl-und Wärmflasche zum Umlegen
Foundly®

Foundly® Kühl-und Wärmflasche zum Umlegen

€32,95
FoundlyHot-Water Bottle Belt
Foundly®

Foundly® Wärmflaschengurt

€29,95
Foundly® Starter Set (Kühl-und Wärmflasche+ Gurt)
Foundly®

Foundly® Starter Set (Kühl-und Wärmflasche+ Gurt)

€62,90

Feedback Love

Lizz

„Ich hatte zuvor ein langes Wärmflaschenmodell, das ziemlich schwer war, und die Wasserverteilung hat mich genervt. Diese hier ist hingegen echt leicht und dadurch super für den Alltag. Ich empfehle sie sehr!“

Tanya

“This is the most stylish and well thought-out hot-water bottle solution ever. Absolutely worth the money. People keep on asking me where they can buy it :)) Thank you all! ”

Vivien

„Ich bin so dankbar, dass es endlich eine Wärmflasche gibt, die hochwertig, schön und fashionable ist! Ich trage sie grad im Winter wirklich jeden Tag, zuhause und auch unterwegs! Vor allem bei Menstruationsschmerzen oder Muskelkater ist es super sie einfach tagsüber umzuschnallen. Ein echter Gamechanger! Der Gurt ist gut verarbeitet und super soft und hat sogar eine kleine Tasche :) Nie wieder ohne <3"

Sabrina

„Ich bin so froh, dass ich diese Wärmflasche entdeckt habe. Die Größe ist perfekt und das Material fühlt sich angenehm an. Eine absolute Kaufempfehlung für alle, die nach einer schönen und funktionalen Lösung suchen!“

Jun

"I have a whole collection of hot-water bottles and matching scarfs to treat my endometriosis. However, I have been looking for ethical and social responsible alternatives. Therefore, the offer to test the product came just at the right time..and UCB exceeds my expectations: Ethical, a contemporary design and it definitely fits my wardrobe!“

Paula

„Jetzt, wo ich endlich auch meine Foundly Wärmflasche habe, verstehe ich, warum sie ständig ausverkauft sind. Tolles Design und funktional. Absolute Empfehlung, wenn ihr eine ergattern könnte :P!“

Natürliche Schmerzlinderung durch Wärme:

Was die Wissenschaft sagt

Studien belegen, dass Wärme auf molekularer Ebene Schmerzen deaktiviert und auf ganz natürliche Weise, ohne jegliche Chemie, bei Verspannungen, chronischen Rückenschmerzen, Krämpfen, Blasenentzündungen bis hin zu Regelschmerzen oder Krankheiten wie Endometriose oder Morbus Crohn schmerzlindernd hilft.
University College London

Meet your New
Self-Care Buddy

Designed to soothe your body and mind, while supporting fair and sustainable practices.

✓ Wearable in multiple ways: Drape it over your belly, neck, or hips for targeted warmth.

✓ Dual-purpose: Suitable for both hot and cold applications.

✓ Highest safety standards: Thoughtfully designed with your safety in mind.

✓ Lightweight & ergonomic comfort: Crafted to be lightweight and comfortable for everyday use.

✓ Free of toxins & Natural warmth: Toxin-free experience, providing soothing, natural heat.

✓ Fair Rubber certified: Supporting fair trade and eco-friendly farming.

Blog – Wellness, Product Care, and Interior Design Insights

We believe in design that serves both sides: the person who enjoys it, and the producers who craft it. Fair in process. Honest in price. Made with care. Meant to matter.

Sense of Calm

Designed to slow you down . A still presence in worlds that never pause. A return to the body. A quiet form. Built for presence. Built for now

Impact

Design that feels good — and does good. Thanks to your purchase, you’re not just treating yourself — you’re supporting the producers and small-scale farmers behind the product. Each item is made in partnership with people who work with skill, care, and respect — under conditions that honor both human and environmental needs.

Self-Care

Warmth is more than comfort. It grounds the nervous system. It’s scientifically proven to signal safety, trust, and calm. It brings you back to your body — and into the now.

Relief

Heat doesn’t just comfort. It works. Studies show that targeted warmth can deactivate pain signals — similar to the effect of common painkillers.

No chemicals. No side effects. Just pure, physical relief. Applied , heat helps with menstrual pain, neck tension, abdominal cramps, and even chronic conditions like endometriosis or Crohn’s disease.
Foundly Wärmflasche in Blush

Hot-Water Bottle – Ready-to-Wear

Sold out four times in a row.

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