The case cover is made of the new ballistic fabric and the 3 color bands on the back pack straps, and pockets. * The extra large and expandable front pocket offers ample storage space for accessories and sheet music. * As on all Trekking cases, a rain cover protects the case and instrument from heavy rain. * Insulated against shocks and temperature changes * Weight : 3.3 kg / 7.4 lbs