Where on earth can I get some extendable plastic tubing like this?

https://www.cromwell.co.uk/shop/packaging/packing-cartons-and-tubes/telescopic-squared-tube-packaging/f/40714

Needs to be about 25mm x 1000mm internal. I already have two (no idea where from) but need another 3 or 4 not 50 which seems to be all anyone sells. The previously used cardboard tubes have got damp & disintegrated plus they are holding about 2.5kg so the bottoms always fall out.

Other options that are available much appreciated.

Does it have to be extendable?
32mm solvant weld waste pipe cut to length, with a stop end solvant welded on, then a couple of lengths of gaffa tape on t other end.
Cost about £2, maybe less.

Doesn’t have to be but is preferred.

2m of pipe is £3.39 so not convinced on your pricing there plus gaffa is a total bodge.

But those ones in your link are max 200mm long or am.I missing something?

Each,not for 3.
3mtr length is £4.00 plus end cap is £1.15.
Use solvant weld on access cap on each end then if presentation is important
Or solvant weld a screw on inspection
fitting onto one end
Costs go up to £3.20

25mmx 1000mm? weird size.

There are some on ebay same as your link for less than £10

https://www.ebay.co.uk/itm/403415393417?hash=item5ded6e6489:g:9bUAAOSwIpFh5Vy0

The ones in my link and on eBay are 200mm max, I need to store items 1000mm long.

The ones I have are perfect, I just can’t find them anywhere.

Vesda pipe with end caps. You might even be able to blag some offcuts from a local fire detection company. I’ve seen untold metres skipped at the end of jobs.

@thepodge

Max length 920mm X 22mm internal
MOQ8
https://store.cleartecpackaging.co.uk/clear_uk/rt.html
https://cleartecpackaging.co.uk/telescopic-round.html