I use nylon paracord. This is a smartphone shoulder strap with a beaded, braided design using five different braiding patterns. Custom orders are also available, such as changing colors, specifying the length, and changing the braiding pattern. Please see the separate listing for custom orders. - Colors: Black, Turquoise, Gray, Pink - Material: Nylon - Design: Braided design - Length: Approximately 120cm - Clips: Clips on both ends Thank you for viewing.