[Gemstone]Natural raw pink color tourmaline as the pendant, which is tiny as about 8*10mm. Please note that as it is raw piece, the size varies from piece to piece. [Velvet]Velvet material is comfortable to wear and the black color is classic. It just fits our daily outfit. [Size]The width of the velvet is 2mm. Around 30cm and extra 7cm extension for adjustment. [Best choice]We've got the black choker and natural gemstone together! Packed in a bag. Please note that as it is raw piece, the size and shape varies from piece to piece.