EXCLUSIVE! Sick of using hand signals when you run or bike? We have your resolution, the signal light vest is a lightweight pack with LED signals (left, right and blinking warning) that can be controlled using the included wrist bracelet. Adjustable straps and clip closure allow it be worn securely on your back. Simply charge using the included USB cord. Made of high quality waterproof polyester. Wipe clean if needed. Imported. 9"x 7".