プチプチシートMeanings1nounbubble wrap sheetRefers to the plastic sheet with air-filled bubbles used for cushioning in packaging. The name comes from the popping sound プチプチ.See also: プチプチ引ひっ越こしのとき、食しょっ器きをプチプチシートで包つつんだ。When moving, I wrapped the dishes in bubble wrap sheets.