This is a bracelet made with natural ruby. I believe this ruby has been heat-treated. It is a magnetic clasp type. This product is easy to put on and take off. It was made by threading wire, so it won't break easily. Therefore, size selection is important. I recommend a slightly larger size. Inner diameter: 17cm Please refrain from purchasing if you have metal allergies or are sensitive to magnets. Materials: * Natural stone: Ruby, 3mm round cut * Clasp: Magnetic clasp (alloy) May cause metal allergies. * Wire: Artistic wire Color: Gold (Beadalon) This is a well-known wire for handicrafts, said to be less likely to cause metal allergies and less prone to deterioration. <Power Stone ☆ Ruby> Ruby has long been regarded as a stone that brings victory and enhances charisma, and has been treated as a symbol of power. It is a popular stone among women, but it is also one of the best as a protective amulet that protects the wearer and brings victory. It is also recommended for men, such as salesmen and business people who need negotiation skills and positive energy, and many people wear it to aim for good luck in work and wealth. It is also one of the stones that has been loved around the world as a stone of protection that brings health and good fortune and wards off evil. The above is quoted from the internet. This is a handmade product. If you understand this, please consider purchasing it. Thank you! Anonymous shipping. Color: Red系 Material: Natural stone Bracelet/Bangle: Bracelet Stone material: Ruby