Bam Trekking Double Clarinet Case Black Protect your clarinets with the best The BAM cases are clearly some of the best cases on the market today The patented weather guard forming technique provides outstanding protection against temperature changes as well as every day knocks and bumps The BAM cases are clearly some of the best cases on the market today and are the choice of more pros and schools The patented weather guard forming technique provides outstanding protection against temperature changes as well as every day knocks and bumps