EKDJKK Ostomy Shower Guard for Stoma, Ostomy Supplies stoma shower Cover Cup, Waterproo Ostomy Shower Wound Protector for Colostomy Pouch Supply Bath Guard Accessory

I use a shower shield like this one https://a.co/d/0iCeg3GO Or this one https://a.co/d/0iJokS4I They don't seal perfectly but they do keep most of the water off the bag and help to keep it out of the way while showering.