To ensure total quality, we personally test and approve every product before it is put to market. All of our products do what they claim to do, but if you are ever dissatisfied we will refund you 100% of the purchase price. And rest assured that shopping at cogiathletics.com is completely safe; we use a third-party checkout system that is fully verified and securely ecrypts your personal information. So go ahead and discover Cogi products - we know you'll be pleased with the results.