Found 2nd Nov 2017
Was browsing clothing on Amazon and saw this had a multi-buy deal on at the moment. You save 20% when you purchase 2 or 25% when you purchase 3 or more.
2 for £25.58
3 for £35.98
Not a bad saving compared to the usual £15.99 they sell them for and the reviews look decent. May be of some use to someone?