Material: The violin cover is made of waterproof material to keep your instrument and belongings dry even in heavy rain. Function: Designed to be dustproof and waterproof, the violin cover protects your instrument from dust and potential damage. Features: The elastic band design allows for easy carrying, storage, use, organization, and cleaning. Applicable: Suitable for use at home, during travel, performances, and more. Fit: This string instrument dust cover is designed to fit standard violins. Size Chart: Triangle: 80cm x 15cm x 26cm / 31.50in x 5.91in x 10.24in; Rectangle: 80cm x 15cm x 27cm / 31.50in x 5.91in x 10.63in. Package Includes: 1 Violin Case Rain Cover. Note: Please allow slight measurement variations of 1-2cm due to manual measuring.