Backpack Gymbag - Drawstring, Waterproof, Earphone Slot Leather Corners Cellular Pocket Durable waterproof polyester material used. Specifically designed to withstand wear and tear especially for outdoor environments. Double stitching reinforces the backpack and prevents tear and fraying of the backpack.Reinforced corners with leather and metallic ring to prevent tearing of the corners. Internal protected pocket designed to fit a personal device such as iPhone, iPod or other music and cellular devices. Pocket is located on the inside of the bag for added protection against falling out. Earphone slot for easy listening and conveniently placed away from drawstrings to prevent tangling with them For use by folks of all ages. For use by adults, children and even economically sized for easy transport and handling. LIFETIME GUARANTEE - make life worry free and fun with a NO HASSLE money back guarantee