The Metax Necklace Extreme Crystal Touch features transparent acrylic beads that mimic the appearance of crystals, offering a luxurious look. It is lightweight, water-resistant, and resistant to perspiration. Strong yet gentle on the skin, it is ideal for sports activities. Additionally, it is infused with Phiten's latest METAX® technology. Features: - Aluminum Clasp: Made from aluminum to further weight reduction. One side of the clasp has the EXTREME logo, while the other has the PHITEN logo. - One-Touch Closure: Simply pull to release, and push together to close - Lightweight Acrylic Material: Made with acrylic, a material that is strong against water and perspiration. It is strong, yet gentle on the skin, making it perfect for sports.   Material: Clasp: Aluminum Beads: Acrylic   Technology: METAX®   Made in Japan