Nice one will have a look in to my local tesco.£1 gardeners kneel pad from Tesco, I have 2 cheap as chips, bombproof and waterproof.
That's a nice piece of kit, compact and neat.
I have four of these. They wear well. Price has gone up over the last three years. My first one was £1.99 from military mart.German Ribbed Ground Sheet
German BW Ribbed Ground Sheet known as the elephant skin sheet from Militarymart the best army surplus store in the UK. loads of army surplus camping equipment from the german army. Buy online nowwww.militarymart.co.uk
I normally spend £3-5 on these from local surplus shops.....keep a couple, just too useful