Three adjustable clips on each end (vertex) that permits a secure attachment to backpack or garments. High performance reflective material. Triangular design follows the international symbol for caution. Additional accesory for clipping on a L.E.D Lamp. Security cord provided to allow attaching it to backpack to prevent loss. Availability: Usually ships the next business day. Reflective Clip On Ref004$14.99 Thank you for your interest in our cyclewear! We ship all orders ASAP email: cyclewear@aerotechdesigns.com Website: http://www.aerotechdesigns.com