The Pi of California Smart Belt is designed beautifully for fashion, with high-quality polyester materials, specially treated to offer a soft, smooth, colorful, and durable experience. Its simply design is the feature that inspire our creative minds to discover many fun ways of using it, especially for travel. It maybe hand-washed and is ironable in low temperature. While Pi of California suggest various functionalities, it should be for light use only. User should determine the safety of each function and use it at your discretion. Pi of California should not be liable for any damage caused by creative users.