I am happy with the product and I would recommend it. Solid material and it looks more robust. The XL "version is great"feels comfortable, but means more water , more ice, I mean its more then 4 kg of ice , much more .
Without "cooling Mashine"( proce ranges from 500-1000£) attached to the pod it's difficult to lower the temperature to 5 degrees or similar.
If you are in the UK, and its summer now, on average 19 degrees, the water will be around 17 degrees, so you do need a lot of ice, I mean a lot a lot, to lower the temperature to 7 degrees.
Winter will get better and then I may experience the full benefit.
I would prefer "white material," as the dark pool with icy water feels even cooler. If the pool would be lighter colours I bet it would feel warmer ( because it's the association with a bath and it will make it easier to enter).
Please add "chlorine powder" ( 1 table spoon to 500 ml hot water=cool it down and add to the pool) for keeping it fresh for longer.
Overall I am happy with this product. For beginners it's a good start, the water is cold but it's not as near to 5 degrees as planned. I hope in winter I get better results.