Description:Made of oxford cloth material, waterproof, tear resistance and wear-resisting.The reflective strip behind the rain cover makes you safer at night.The elastic band makes it easier for you to use.Suitable for hiking, climbing, camping, cycling, fishing, travelling, etc.Many sizes: 5 sizes to meet your needs.Specification:Material: Oxford ClothSize Chart:Size:XS (8-17L) : Height: 25-30cm/9.84-11.81inchLength: 20-23cm/7.87-9.06inchWidth: 15-18cm/5.91-7.09inchS (18-30L): Height: 30-40cm/11.81-15.75inchLength: 20-32m/7.87-9.06inchWidth: 15-20cm/5.91-7.87inchM (30-40L): Height: 40-53cm/15.75-20.87inchLength: 20-32m/7.87-9.06inchWidth: 15-20cm/5.91-7.87inch L (45-55L): Height: 53-65cm/20.87-25.59inchLength: 20-35cm/7.87-13.78inchWidth: 19-23cm/7.48-9.06inchXL (60-70L): Height: 70-75cm/27.56-29.53inchLength: 30-35cm/11.81-13.78inchWidth: 20-23cm/7.87-9.06inchPackage Includes:1 Piece Backpack Rain Cover(5 Pack)Note:Color might be slightly different due to the color calibration of each individual monitor.Please allow slightly measuring deviation due to manual measurement.