This Chest Bag Is Made Of Water-Resistant Fabric, Which Can Effectively Prevent Sweat And Rain From Damaging Your Belongings, Double Pockets With Double-Opening Smooth Metal Zippers Can Keep Your Keys And Phone Separate To Prevent Your Phone From Being Scratched.Large Capacity Provides Ample And Secure Space For Your Keys, Id/Credit Cards, Cash, Headphones And Other Accessories.Adjustable Straps Range From 27.56-47.24in, With Buckles On Both Sides Of The Bottom, Which Can Be Adjusted Left Or Right According To Your Personal Habits, Can Be Used On One Shoulder Or Crossbody.Wide Range Of Uses, Not Only Suitable For Running, Exercising, Fitness, Walking And Jogging, But Also Perfect For Cycling, Traveling, Fishing, Hiking, Camping, Daily Leisure Activities. It Is The Perfect Companion For Any Activity And The Most Creative Gift For Father'S Day, Mother'S Day, Christmas, Birthdays And Anniversaries!