Material: The violin cover is made of waterproof material to ensure your backpack and belongings stay dry even in heavy rainFunction: The violin cover is designed to be dustproof and waterproof, protecting your instrument from dust and potential damageFeatures: The dust cover has an elastic band design for easy carrying, storage, use, organization, and cleaningApplicable: The violin storage case is suitable for home, travel, performances, and other usesFit: This string instrument dust cover is designed to fit violinsSize Chart:Triangle: 80cm x 15cm x 26cm 31.50 inch x 5.91 inch x 10.24 inchRectangle: 80cm x 15cm x 27cm 31.50 inch x 5.91 inch x 10.63 inchPackage Includes:1 Violin Case Rain CoverNote: Please allow slight measurement variations of 1-2cm due to manual measurement