Bam Hightech La Defense Contoured Violin Case - Brushed Aluminum - DEF2002XLA Suspension of the instrument on injected foam cushions Strap for a "Kun" style shoulder rest Outstanding protection and ultralight weight Shells made of the Bam Hightech technique : a tripleply structure made of high performance materials (ABS, Airex foam, another type of ABS) Antislip and antiwear rubber patches on the bottom outer shell