This half moon belt bag is ideal for carrying a phone, keys, wallet, and identification documents. For short travels, the fanny pack is the ideal size and design. With a side release buckle and adjustable 41" webbed strap, this can be worn as a hip pack, cross-body bag, or chest bag. This eco-friendly belt bag is constructed from recycled polyester (rPET), which is created by melting down plastic water bottles and other materials.