1. water tank package: 5-layer carton, first put foam at the bottom, then put the water tank(water parts are pre-installed), cover with cardboard, and finally put the water tank cover. 2. toilet bowl package: 7-layer carton, 1 honeycomb panel at the front and rear, 1 honeycomb panel on the top, and side holes installation accessaries, flanges, and instructions are placed inside the bowl, put the seat cover in the side.