PU Leather Collar Necklace Adjustable Heart-Shaped Chain Choker Accessories Highlights Premium Material: Alloy + PU Leather, Cool choker is comfortable and sturdy. Adjustable Choker: The choker necklaces designed with 3 adjustment buttons to adjust the appropriate length, it is easy to put on or take off, these black collars are suitable for most people. Best Gift: Personal wearing or unique gifts for your friends, family. KINDLY REMINDER: Please take off the chokers while touching liquid(water, rain, sprays).