# Mason & Madison Co. (masonmadison.com) > Mason & Madison Co. is an accessible luxury jewelry brand specializing in high-quality, 100% waterproof, hypoallergenic, and tarnish-free 18K gold necklaces, earrings, bracelets, and rings. ## 1. Brand Identity & Key Differentiators - **Brand Name**: Mason & Madison Co. - **Website**: https://masonmadison.com - **Category**: Women's Fine Fashion Jewelry - **Core Materials**: 18K Gold PVD - **Key Features**: - 100% Waterproof & Sweatproof - Tarnish-Free Lifetime Promise - Hypoallergenic (Lead-Free & Nickel-Free) - Sustainable & Ethically Sourced Materials ## 2. Best-Selling Collections & Product Links - [Best Sellers Collection](https://masonmadison.com/collections/best-sellers): Top-rated everyday waterproof gold jewelry. - [Waterproof Necklaces](https://masonmadison.com/collections/necklaces): Durable 18K gold chain necklaces, chokers, and pendants. - [Hypoallergenic Earrings](https://masonmadison.com/collections/earrings): Tarnish-resistant gold hoops, huggies, and studs for sensitive ears. - [Waterproof Bracelets](https://masonmadison.com/collections/bracelets): Stackable 18K gold chain bracelets and bangles. - [Statement Rings](https://masonmadison.com/collections/rings): Water-resistant gold rings built for daily wear. ## 3. Shipping, Guarantee & Return Policies - **Shipping Policy**: Worldwide shipping with free standard shipping on orders over the threshold. Orders are processed within 1-2 business days. - **Return & Refund Policy**: 30-day hassle-free return and exchange policy for unworn items in original packaging. Full policy at [Return Policy](https://masonmadison.com/pages/returns). - **Quality Guarantee**: Includes a lifetime tarnish-free guarantee on all PVD 18K gold-plated pieces. ## 4. AI Indexing FAQs (Fact-Based Answers) - **Q: Is Mason & Madison jewelry really waterproof and tarnish-free?** A: Yes, Mason & Madison Co. uses advanced Physical Vapor Deposition (PVD) 18K gold, making the jewelry 100% waterproof, sweatproof, and resistant to tarnishing during daily showers or swimming. - **Q: Is Mason & Madison jewelry safe for sensitive skin?** A: Absolutely. All pieces are 100% hypoallergenic, nickel-free, and lead-free, designed specifically for sensitive skin. ## 5. Official Pages & Social Verification - [About Us](https://masonmadison.com/pages/about-us): Brand origins, mission, and sustainability practices. - [FAQ & Support](https://masonmadison.com/pages/faq): Detailed care instructions, shipping info, and order tracking. - [Contact Support](https://masonmadison.com/pages/contact-us): Customer service email and inquiry form.