MagnaBottle™ – Magnetic Gym Essentials HolderI bought this bag for two reasons. I throw it up on my workout equipment to hold my water source, but I also use it in my patrol vehicle, between the front seats, to free up some space in my center console. Its durable; its functional and easy to use! Just toss the drink in and go. It never moves when Im in my car.. even when I have to go fast Brittany Marsh Verified Buyer Keeping essentials like water bottles, phones, and keys secure during workouts