Made of 210D oxford fabric, durable and lightweight. Sophisticated and Unimaginable Spaces: Small enough to just clip around your waist over your swimsuit, yet large enough to hold the essentials (phone, room key, credit card, etc). Sleek, smooth fabric and design. Water resistant. Great for walking, dog treats, etc. Designed for: On the Move. Storage: Zippered pockets. Storage: Easy-access, exterior pocket for your essentials with a slip pocket for your phone. Essentials pocket Store your must-haves in an interior pocket. Adjustable waist band