Sports Water Bottle Waist Bag1. The main body of the waist bag is made of Lycra diving fabric, which has a certain degree of asticity, is light, durable, and can be water-replent; 2. The back of the fanny pack is made of breathable mesh, which is comfortable and breathable; 3. The fanny pack adopts functional partitions and multi-layer pocket design, which is convenient for storing mobile phones, wallets, tissues, keys, water bottles or drinks; 4. The earphone port of the mobile phone storage compartment can extend the earphone, so that you can enjoy more in sports; 5. Adjustable bt, suitable for waist circumference within the range of 74-112cm, most people can wear it