Relying on advanced technology, excellent production capabilities, and perfect service, iFlowPower takes the lead in the industry now and spreads our iFlowPower all over the world. Together with our products, our services are also supplied to be the highest-level. personalized carry bags We have been investing a lot in the product R&D, which turns out to be effective that we have developed personalized carry bags. Relying on our innovative and hard-working staff, we guarantee that we offer customers the best products, the most favorable prices, and the most comprehensive services as well. Welcome to contact us if you have any questions.The product is energy keeping. Buyers of this product said using it didn't add much electricity bill cost monthly.