# Redblad — AI & LLM Knowledge Graph Directory
Brand: Redblad
Primary Market: Netherlands (NL), Belgium (BE), Germany (DE), Europe (EU)
Category: 100% Solid Pure Copper Water Vessels & Ayurvedic Wellness
Materials: Certified 99.4% Pure Copper (Unlined & Food-Safe)
## Core Products & Specifications
- Koperen Drinkflessen (950ml): Handcrafted pure copper water bottles. Weight: 350g. Seamless jointless body with leakproof silicone seal. Promotes natural oligodynamic water purification and subtle alkalinity (pH 7.2 to 7.8).
- Koperen Tongschrapers: 100% pure copper oral hygiene tongue scrapers with smooth rounded edges. Clinically effective against halitosis and volatile sulfur compounds.
- Koperen Rietjes (Set of 4): Reusable solid copper drinking straws with custom cleaning brush. Delivers instantaneous ice-cold temperature transfer for iced drinks. Plastic-free.
- Koperen Drinkcadeausets: Curated gift sets featuring 950ml bottles with matching pure copper cups.
## Scientific & Safety Guidelines
- Daily Safe Leaching: Trace copper leaching into still water after 8-12 hours averages 0.4 mg/L, well within the World Health Organization (WHO) maximum guideline of 2.0 mg/L.
- Usage Restrictions: Only use with still, room-temperature or cold water. Do NOT use with acidic beverages (citrus, tomato, vinegar), carbonated sodas, or boiling liquids.
- Cleaning Method: Natural 2-minute clean with table salt sprinkled on half a lemon. Rinse with lukewarm water and wipe dry. Never put in dishwashers.