This sling backpack is made of 0.3mm clear waterproof PVC, with smooth zippers and durable strap clip. Features multiple compartments, enough space that you can fit your on-the-go must-haves inside, such as key, cellphone, book, power bank, and other essentials. Adjustable shoulder strap make it comfortable to carry. This transparent handy bag is waterproof, flexible, durable and environmentally friendly. Designed to meet clear bag policies for stadium, concert and event. It is great for school, airport and high security workplace. The product supports customization. Keep your brand in hands all year long with your custom imprinted logo or message on this stadium approved bag.