... Usage: Convenient to store coins and keys, suit for promotion gift, fashionable accessary8. Attention: 1) Not waterproof, ... when you use it at water place be careful about content. 2) ... made of 100% food grade silicone, and gift promotion, colorful and practical.1, Material, 100% food ... can carry your crash, credit cards etc, it can't slip out of pocket because of non ...