กล่องไวโอลิน BAM รุ่น Hightech Oblong With Pocket - Silver Carbon ขนาด 4/4 Details Outside Shell made of the Bam Hightech technique a triple-ply structure made of high performance materials (ABS, Airex foam or PVC foam, another type of ABS) ensuring outstanding protection and ultra-light weight. Inside Suspension of the instrument on injected foam cushions. Colors InsideBlack OutsideSilver grey (S) Weight