- Perfect Fit for Stanley Cups : This versatile accessory is designed to accommodate the Stanley Quencher H2.0 Flowstate Tumbler (30oz), Stanley Adventure Travel Tumbler (30oz), and other 30oz tumblers. It fits seamlessly into car cup holders, making it a practical choice for on-the-go hydration. - Convenient Zipper Pocket : The small zipper pocket measures 4.3 x 3.5 inches, providing secure storage for bank cards and other essentials. The zipper design ensures you won't lose your valuables during activities. - Streamlined Transport : This accessory eliminates the hassle of carrying extra bags when you're walking, biking, jogging, or working out at the gym. It allows for hands-free convenience while remaining organized. - Adjustable Straps : Easily adjust the shoulder strap to your preferred length. Use it as a shoulder bag or shorten it to function as a comfortable handle. - Durable Material : Built to last, this accessory combines functionality with durability, ensuring it can withstand your active lifestyle. - Versatile Usage Scenarios : - At the Gym : Securely carry your tumbler and essentials while you focus on your workout. - On the Road : Enjoy hydration during road trips without worrying about spills or lost items. - Outdoors : Perfect for hiking or outdoor activities where easy access to hydration and storage is essential. Elevate your tumbler experience with this accessory that prioritizes convenience, security, and versatility.