1.Type: Mobile phone Case , Back Cover. Soft Casing 2.Function: Anti dust, Anti-scratch, Anti-fall . 3.Compatible: For VIVO 1901 1902 1904 1906 1915 1814 1815 1935 1938 4.Material: Plating Silicone . 5.Features: Slim Straight Edge Smooth Plating Solid Color design , the perfect match your phone. 6. After-sales service : If you have any questions or dissatisfaction with the product, please contact customer service, we are happy to serve you! !!