This product is a set of 20 multi color mini heavy duty D-shaped carabiner clips made of durable aluminum alloy. Each clip features a secure spring-loaded gate for easy attachment and detachment. The carabiners are designed for outdoor sports and more such as climbing, hiking ,caving, fishing, hanging keys, and tool attachments. They are manufactured in China and do not contain any California Prop 65 warning. These are a must have a multi pack for a variety of purposes, purchase now .