I bought this because it was popular, but I've kept it in storage for years without using it. I'm selling it to declutter. The main body is approximately 40cm long, with a 5cm adjuster. I hope someone will like it and use it. Thank you. Please refrain from purchasing if you are overly concerned about details. Simple black diamond necklace, with accessories. - Color: Black - Material: Diamond - Design: Simple - Accessories: Box, warranty Thank you for looking.