Quadrum Ring – Inspired by the perfection and robustness of steel watch straps, the Quadrum ring features a series of square, well-defined links that elegantly intertwine to create a modern and powerful design. Made of gold-plated stainless steel, this piece of jewelry is waterproof and durable, perfect for those looking for a ring that not only stands out but can last over time without compromising style. Adjustable to comfortably fit the desired size (indicative size 7), the Quadrum ring is the perfect blend of functionality and sophistication, suitable for any occasion where the strength of design meets the beauty of details. Sustainable Packaging. Gift box and jewelry care card included: this beautiful piece of jewelry comes well-packaged in a jewelry case, ready to surprise your loved ones on any occasion such as Christmas, Mother's Day, Valentine's Day, birthdays, and anniversaries. Everything is nestled in an eco-friendly cardboard box.