Avoid and use Soak instead! Their product was not as described (technical spec was incorrect) and they would not provide a refund, nor admit error - however the two webpages which had the incorrect measurements were updated shortly after my email. Absolutely dishonest company. After spending £500+ with them, They will try to deny you your Consumer Rights and ignore the Sales of Goods Act. If you do use them - use a credit card so you can claim back if they do refuse to recognise your Consumer Rights (and if you have the time, take them to the small claims court!)