Mobile phone string is often visible in daily life. Most of mobile phones are designed with a tiny hole in the top end. Espromos uses nylon, bamboob fiber or other environment friendly materials to produce mobile phone string. Those smart businessmen will send these mobile phone strings to clients as giveaways.When marked with the specific logo of your company, mobile phone strings will be good promotion products. For more info. about these practical, ingeniously designed mobile phone strings, more than welcome to visit our website or call the customer hotline.