Trillian - jump on the "cloth pad shop" sooo many heavy/maternity/overnight pads to choose from and whams on there will do a custom to suit your needs too , IMO twinkle lily are really good for a heavey flow , the "biggsies" are huge but they do the job nicely , being wider in the crotch as well with 2 snaps not 1 makes it wider to catch it all .

i have platinum panites , but imho they are too short and good for the smaller woman/teen .

otherwise i have made my own ... Etsy have a massive range too .