Adjustable shoulder strap Designed with an adjustable shoulder strap to fit different heights and body types. It can be adjusted to a suitable length for comfortable carry during pool, beach, gym, or travel activities. Quality material and breathability Made from tough oxford fabric for durability. The mesh design enhances breathability and helps reduce odors, keeping contents fresh and wellventilated. Drawstring closure with lock Features a convenient drawstring closure for easy opening and closing. The builtin lock adds security, preventing items from falling out or being exposed. Large size with multiple pockets Size: about 32x40 cm (12.60x15.75 inches). It provides ample storage capacity with a main compartment, a water bottle pocket, and an independent waterproof PVC front pocket. The front pocket is suitable for storing valuables securely and keeping them dry. Use scenarios Pool or beach days: carry swimsuit, towel, and essentials; water bottle stays within reach; valuables stay secure in the waterproof PVC front pocket. Gym or sports outings: spacious main compartment for clothes and gear; breathable mesh helps with ventilation after workouts; bottle pocket keeps hydration handy. Day trips or travel: lightweight, organized storage for daily essentials; valuables kept secure in the waterproof front pocket while on the go.