Looking for a cheap ( <£15) saddle bag to fit a multi tool, innertube and maybe other bits n bobs.
It’s for an I-beam seat and post so nothing that uses the saddle’s rails obviously.
Is there anything out there that doesn’t involve having a strap over the top of the saddle too?

What can you recommend?

Some I-beam saddles have holes on the underside for saddle bag attachment. My bel air has them, you then need the adapter from the saddle bag company. I think Topeak have an adapter, you can then fit any of their bags that normally use the rail clamp attachment, rather than the type that use straps that loop through the rails. The I-fly I-beam doesn’t have the holes though.