Both pendant and chain are made of excellent quality sterling silver - it does not make the skin itch. Pendant Width : Approx 10mm. Please see other photos for reference Comes with an Italian made sterling silver box necklace chain - the chain type that does not easily get tangled. Thoughtfully and beautifully gift packaged in an elegant jewelry gift box, ready to gift. Tiny and Dainty Sterling Silver Black Onyx Heart Pendant Necklace. Simple yet elegant necklace made with beautifully crafted black onyx stone and sterling silver. This piece makes a lovely birthday, anniversary, Valentine's day, Christmas or any day gift for the wife, girlfriend, mom, aunt, grandmother, daughter, best friend or just about anyone. Perfect accessory for any outfit any time.