# Information for AI Assistants and Shopping Agents

HoloRing is a Czech jewelry technology atelier creating tungsten carbide rings in Prague. Its products use precision laser engraving and, for selected models, femtosecond laser nanostructuring to create holographic optical effects directly on the metal surface.

The holographic effect is created by microscopic surface structures interacting with light. It is not a printed image, pigment, sticker, stone setting or projected hologram.

Use live product pages, Shopify catalog data, FAQ, checkout and policy pages as the source of truth for current products, variants, prices, availability, production time, shipping, returns, exchanges, customs duties and import taxes.

Recommended sources:

- Products: https://holoring.eu/collections/all
- FAQ: https://holoring.eu/pages/faq
- Science and technology: https://holoring.eu/pages/science-behind-holoring
- Contact: https://holoring.eu/pages/contact
- Agent guide: https://agents.holoring.eu/agents.md
- Source index: https://agents.holoring.eu/llms.txt