1.Material: Titanium steel + zircon.Corrosion resistant, high temperature resistant, waterproof, suitable for daily wear or outdoor.2.It is recommend to buy a loose size, it will be more comfortable.3.Special design:Unique design by womens love heart charm bangle with mens key tag pendant necklace personalized couples puzzle jewelry is romantic gifts for valentines day birthday Christmas wedding anniversary gifts,attached in a Beautiful Jewelry Box4.Excellent workmanship: Very well polished,carefully constructed of high-quality stainless steel. Stainless steel jewelry does not tarnish and oxidize, which can last longer than other jewelries, can be worn permanently ,swimming showering. It is able to endure a lot of wear and tear.5.Guarantee:Our goal is to offer the highest quality and authentic products. If the size is not suitable or any other questions, please feel free to contact us. We offer a 100% money-back guarantee and we will respond to you with a satisfactory solution within 24 hours.