This is a tin necklace. I hope you enjoy the soft luster of the tin. Swarovski chatons [PP31] [Black Diamond], approximately 4mm in size, are used. The sparkling glass particles shine brilliantly. Tin is said to rarely cause allergies, but please refrain from purchasing if you are concerned. The chain uses stainless steel. Chain length: approximately 45 cm Pendant top: Length: approximately 3.6 cm Width: approximately 5 cm Tin thickness: approximately 4 mm Weight: approximately 5 grams I will work hard from now on, and I would be happy if you would support me. This is a handmade item. There may be distortions in the shape or asymmetry, but I hope you will appreciate it as the warmth of handmade craftsmanship. Please note that the color may differ from the photos depending on the operating environment of your computer or smartphone. Items such as shirts and other small accessories are not included in the product. Shipping will be in simple packaging. Thank you for your understanding. Tin Cool/Masculine Glass Beautiful Crystal Stylish Sparkling Pendant Present Swarovski Silver