This necklace is made with real, ethically sourced, coyote atlas vertebrae, aluminum chain and rings. This necklace comes in 2 adjustable choker lengths, 13-15 inches (small) and 15-18 inches (Large). It is roughly 11" from top to bone. (Measurements vary as this is a handmade item) The coyote bone is roughly 2 3/4" by 1 1/2" (Bones are naturally unique in size and shape.) Handmade in the US Closure Lobster clasp Handmade by myself and made to order Processing time 5-7 business days. Please don't hesitate to send a message if you have any questions.