Size17.33*8.27*7.08 inches Good Quality: This Radio Chest Harness Made of practical high-quality oxford cloth and polyester fabric material with the features of water-resistant, durable, wear-resistant. Portable Design: It has long adjustable shoulder straps suitable for men and women. No matter fat or thin, summer or winter. Besides, this radio vest have one front pocket(height 13cm, width 9.6cm), two adjustable side pockets(approx 8.5-9.5cm) and one back pocket(height 9.5cm, width14.5) to hold accessories. Night Running Safety: This radio chest rig with two long reflective straps(Max length 43cm, width 3cm) makes your night running safer. It also made you feel comfortable and readily accessible while riding your motorcycle.Note: The black model has no reflective strips Keep Stable: Two side pockets can keep radio devices vertical position. This design is helpful to extend antenna life and prevent people from injury when fall. The front pocket and back pocket is suitable for small accessories, such as mobile phones, GPS, electronic detectors etc. Wide Use: This radio chest harness can be used for survival, hiking, biking, work, school, camping, fishing, traveling etc. It also a good gift for friends love outdoor activities