WHY PERIOD WHY?!

El
So my period just stated like 10 mins ago and I'm traveling for 4/5 hours tomorrow with no toilet break. I've had my pero I'd before its just come at a really bad time. And I'm seeing my cosins for 4 days so any tips or hacks for swimming, traveling, everyday stuff for 7 day period would be great, thanks🖒 Highly appreciated❤❤