Practical everyday companion: The bag features a waterproof inner lining that protects electronic devices from sand and splashes, with side mesh pockets for quick access to water bottles. Freshness-preserving materials: Breathable mesh construction with moisture-wicking properties helps prevent odors and keeps towels and clothing dry and hygienically fresh. Lightweight and compact: The foldable design keeps the bag ultra-light even when fully loaded, enabling space-saving storage and travel-ready use. Flexible all-rounder: Combines practical everyday utility with leisure comfort for city outings, beach trips, or wellness getaways. Use scenarios: - Beach day: protect phone and valuables inside the dry interior; keep a water bottle within easy reach in the side pocket. - City outing: lightweight, roomy enough for a light jacket and daily essentials without bulk. - Gym or spa: towels and clothes stay dry and fresh between activities.