Yin is to Yang as Dark is to Light, as Inside is to Outside, as Off is to On, and as Cold is to Warm. Yin and Yang represents balance and harmony of two interdependent forces fundamental to the universe. Details: Necklaces are 22inches in length and handmade with Stainless Steel links Beads in Black (Yin) Necklace include 6mm faceted Black Onyx beads. Beads in White (Yang) Necklace include 6mm faceted White Howlite beads. Beads in Black (Yin) bracelets include 10mm Black Obsidian Crystal beads Beads in White (Yang) bracelets include 10mm White Howlite beads Beads in Black Distance bracelet include 10mm Black Onyx beads Beads in White Distance bracelet include 10mm White Howlite beads Yin Yang Pendants are 1 Inch in length and 1.5 centimeters in width Bracelets are made with 1mm durable elastic wire Bracelets with White Howlite stretch about 7.5 inches fits average male wrist Bracelets with Black Obsidian beads and Black Onyx beads stretch about 7 inches fits average female wrist All items are handmade with great craftsmanship All beads used are high quality and genuine Black Obsidian crystal and Black Onyx gemstones are known protective qualities, such as protecting you from negative energy. White Howlite gemstones are known for calming qualities, such as stillness and reducing stress. Thank you, for helping us keep you together!