I’ve known about Sip Valves for a while (valves you add to your face mask which allow you to drink through a straw while maintaining the seal) but I’m excited to finally find a UK supplier!
You can transfer them to different masks too… #CovidIsntOver #LongCovid
USA: https://sipmask.com
UK: https://thefacemaskstore.co.uk/product/sip-airtight-drinking-valve/