OH just remembered this existed: Healing Shield protector for Wacom One https://www.amazon.com/dp/B084HDSK4X/?psc=1
Healing Shield's protector for Wacom One Dtc-133. https://www.amazon.com/dp/B084HDSK4X/?coliid=I3OXLKG1EIPGLN&colid=1QLBSE9IM67YT&psc=1&ref_=lv_ov_lig_dp_it
I cannot buy this since I'm overseas, so I can suggest you Onyx Boox's 13.3″ Screen Protector as an alternative too. Basically any screen protector with the fitting dimensions would be in use.