Stays Slim Even When Its Full - Thanks to its well-thought-out design, the Flex Bag can receive a lot of gadgets, documents, and personal belongings: it will still look elegant & slim. Lots Of Practical Storage Space - Our sling bag has specially designed and well-organized compartments for smartphones, keys, wallets, headphones, and more. Keep Your Valuable Essentials - With specially designed compartments from innovative materials. It provides a high level of functionality and comfort without sacrificing quality or style Ergonomic Design - Ergonomic design allows the weight to distribute evenly and stay securely next to your body without any discomfort. Whatever you do walk, sit, stand up, gently lean, etc. the sling bag will not slip to one side although its strapped only to one shoulder. Wear It Over Or Under Your Jacket - With its basic and minimalist design, It will surely become your everyday flex bag for you to wear over or underneath your jacket.