Replacing a curved glass shower sweep (?)...

[Wingedharpy]

Don't know if that's the correct terminology .
The silicone skirt doo dah on the bottom of my shower cubicle is looking manky and, I think, needs replaced.
It's a corner shower so has a curved door.
Will the door need to be taken off to do this?.....or, does anyone have tips on how to do it while door stays in place?
There is very little/ almost no space between the bottom of the door and the shower tray.
Many thanks.

Ooops-missed out the vital bit - it's a sliding door fixed on rollers at the top not one on a hinge.

Do you have a picture?

We use this place www.theshowerseal.co.uk/

Photos as requested

It's not the sourcing of the product that is the issue teaiseverything, it's how to get it on the door having bought it!

I have a P shaped bath I just get them it of b&q or off amazon, just the regular straight ones but I can get them on, there is a definite trick to it but once you have done it once it is easy. Your looks tricky because there is no space underneath to work from and sliding it along didn't work for me.

When you slide it round is there a bit of clearance from the shower tray?

Not much Lucked.
2mm at most.
My worry is, I'll get the old one off but won't be able to get the new one on and I'll have water leaking all over the place.
If the door needs to come off I'll need to get someone in to do that.
If it can be done with door in place, I can do that myself.
Was just looking for other folks experiences.
Am appreciative of all input.