The SKB-390W Tuba Case was designed for players who are looking for greater protection for their delicate musical instrument. Constructed of ABS vacuum-formed material to offer greater strength the 390W Tuba Case accommodates large framed tubas from leading manufacturers such as Miraphone, Yamaha and Conn. The SKB-390W includes in-line skate wheels for easy transport, molded-in bumpers for valence protection and SKB-patented TSA trigger release latching system. The molded interior holds the instrument securely during transport.