As our other leather accessories, all the collars featured in the collars section are made in USA from genuine leather and great quality hardware. The spikes are made from solid shiny metal and are available in different sizes and shapes. From pyramid spikes to classic plain spikes, from 3" long spikes to rally tiny spikes, there is a shape and a leather color to meet the needs and wants of every individual. There are many there are many other collars with spikes with metal rings in the bondage collars section. These collars are available in many vibrant colors and two different sizes as specified in the product description.