We found that a wide Ace bandage worked very well...not the rubbery self stick kind but the soft kind meant to wrap a knee, etc. You do need a caregiver to help wrap it around the abdomen but with the little clip toward the back, it stays put all day and the tube can be slipped in and out from under it.

Bill could not tolerate the tape after one week so we tried this and used it till the PEG came out. I bought several so I could launder them. WORKED GREAT!