Designed to protect your electronic gadgets from water & dust. although this bag has the highest waterproof rating (IPX8),
we recommend you to conduct a safety treat before using this product. Simply put a napkin inside the bag & soak it in water for 30 minutes. If napkin is wet, please stop using this product. Do not leave your device under the sun for prolonged hours or use your device in hot tube. Please store the bag in a dry place after use. Check buoyancy before using it in to the water.
Though we have personally checked it-