Set for culture vessel transport and cell/biological tissue transport unit

A culture container transporting set comprising:

• a culture container having at least one vessel including a bottom wall and a tubular side wall raised from the bottom wall;
• a flexible cover that covers an upper end of the side wall of the vessel;
• a presser member that is hard and placed on the cover;
• and
• a holder that holds together a stacked assembly of the culture container, the cover and the presser member by applying pressure from top and bottom, wherein
• the cover comprises a projected portion that is accommodated inside the side wall and projects toward the bottom wall, the projected portion including an inner cylindrical portion and a bottom disposed at a lower end of the inner cylindrical portion, and
• the bottom of the projected portion comprises a thin portion that is smaller in thickness than remaining portions of the bottom, the thin portion having a form of a disk containing a center of the bottom in plan view, the thin portion being spaced apart from the inner cylindrical portion in plan view.