The wareproof phone pouch is suitable for beach, kayaking, swimming, fishing, sailing, snorkeling and water park activities. (The flotage will depend on the weight of goods and water density. Note: Please remove the thick phone cases (eg.OtterBox) before placing the phone into the bag.)Fits most smartphones up to 5.8 inches & credit cards, documents, cash, and more! Carrying valuable goods anytime without worries. (Phones with a large case such as Otter Box are not recommended in this bag.)