To provide a container for frozen reservation which can prevent unintended opening of a top lid, and is appropriate for repeat use, and a container for frozen reservation with a biological sample storage container.SOLUTION: A container for frozen reservation 1 comprises a box body 10 having an opening portion 10a which opens upward and a top lid 15 which opens and closes the opening portion 10a, and a separation part 20 which is stored in the box body 10 and by which a plurality of storage spaces S are separated. The top lid 15 has a first portion 15a which covers the opening portion 10a and a second portion 15b which is bent to the side of a front face portion 11 of the box body 10 to the first portion 15a. An insertion piece 150 which can be inserted to an insertion hole 11a provided in the front face portion 11 from the lower side is provided in the second portion 15b.SELECTED DRAWING: Figure 1【課題】天蓋が勝手に開くことを防止でき、繰り返し使用に適した凍結保存用容器、及び生体試料収容容器入り凍結保存用容器を提供する。【解決手段】凍結保存用容器1は、上方に開口する開口部10aと該開口部10aを開閉する天蓋15とを有する箱本体10と、箱本体10の内部に収容されるとともに複数の収納空間Sが仕切られた仕切部20とを備える。天蓋15は、開口部10aを覆う第1部分15aと、第1部分15aに対して箱本体10の正面部11側に折り曲げられた第2部分と15bを有する。第2部分15bには、正面部11に設けられた差込孔11aに下方から差し込み可能な差込片150が設けられている。【選択図】図1
