I've just bought the guitar version of this for a headless Sei, replacing a Thomann premium gigbag which finally expired after 12 years. For a headless with strap buttons each side of the bridge, the TGI has the upper hand, as the dual strap buttons went either side of the bottom reinforcement on the Thomann but the TGI has wider bottom reinforcement and more padding round the end of the bass. For a single strap button bass, the Thomann has the advantage of a huge amount of storage - Zoom MS-60B, power supply, wireless bugs, capo, and allen keys went in the top compartment, strap, music, and leads went into the bigger lower compartment, and a couple of kazoos went in the smaller lower compartment. If you just want to carry some music (up to A4), a strap, and a lead, the TGI will do it.