As the recommendation is for everyone to wear some kind if face covering what better opportunity. Buy one of these and support your MRT at the same time. The Seamless Tubular Bandana can be worn in a number of ways for different purposes; Face covering, Hat, Headband, Wristband, Scarf or Balaclava is just a few ideas!
These are currently on pre-order with a 10 working days lead time
Just £6.50 including Postage and Packaging.