Nice size to store ID cards, credit cards, hotel keys, some cash, and house or gym keys.Not recommended for mobile phones. Store your valuables in this zippered wrist strap to take with you while running, cycling, or exercising.Our zippered wrist straps prevent your hands from sweating during long gym workouts in the most extreme conditions.Each sports bracelet is designed with a zipper, which has enough capacity to store coins, keys, etc., which is especially suitable for sports activities, avoiding wrist injuries and providing you with effective protection during exercise.If you have any questions about the card pack, please contact us and we will respond within 24 hours.