BAG DIMENSION:7.09 inch (18cm) Tall X 6.89 inch (17.5cm) Wide X 3.35 inch (8.5cm), Compatible with Compact Binoculars. Reduces stress and strain while making you feel more comfortable. If you are not sure, please contact us to attach your binoculars size. ADJUSTABLE HARNESS STRAP: Adjustable telescopic fastener suitable for different height person, for men and women. The adjustable shoulder strap allows you to adjust it easily for your ideal length, easy to put on. BINOCULARS CONNECTION STRAP: Link with binoculars two connection points. Mountain hiking, biking, camping, fishing, traveling outside with the harness bag is a perfect choice BACKPACK FRIENDLY HARNESS: Padded back and vented mesh back for superior airflow, providing extra comfort. Zippered backside can put cleaning cloth or some tiny accessories.