| 摘要 |
PROBLEM TO BE SOLVED: To provide a culture bag that reduces possibility of culture solution leakage.SOLUTION: A culture bag 10 houses culture solution 8 containing objects to be cultured 8a to culture the objects to be cultured. The culture bag comprises: a pair of principal surface films 12, 13 arranged facing to each other in a front/rear direction d1; and a pair of other surface films 14, 15 arranged facing to each other in a vertical direction d2 between the pair of principal surface films 12, 13. Peripheral edges of the films 12 to 15 being overlapped with each other are heat-sealed to form seal regions 16, 17. When the upper other surface film 14 is folded along a boundary portion 14c being a boundary between a first portion 14a heat-sealed with a front principal surface film 12 and a second portion 14b heat-sealed with a rear principal surface film 13, out of peripheral edges of the upper other surface film 14, a fixing region 90 which fixes the first portion 14a and the second portion 14b is provided at an overlapping position of the first portion 14a and the second portion 14b. |
