Shenzhen Yoyi Sports Co.Ltd.found in 2009,is professional manufacturer of specializing in waterproof case and waterproof bag for mobile phones ,tablets . and telecom products.Since the establishment of company, we have built a long partnership with several branded famous customers and have gotten good feedback from our partner. Our product includes PVC/TPU waterproof bag, waterproof pouch, waterproof case, dry bag, waterproof waist bag,waterproof bike mount case and armband. With our R&D team, your customized design and function are welcome and unique design will be finished within 6-15 days after getting the artwork. We have been focusing on providing stable quality products to our customers. We provide one-year warranty for regular PC regular waterproof case and two -year quality warranty for waterproof bag after shipment, we will take full responsibility if there is a problem on quality itself. and we will take what we promised.