A cooling device having superior fit to the body and good comfort upon use capable of maintaining a cooling effect within a suitable temperature zone for an unprecedented duration of time is provided. It is a cooling device (10) that accommodates and seals in a non-freezing gel (12) accommodated within an accommodating pouch (11) as well as a freezing gel (14) separately enclosed in a plurality of small pouches (13), wherein the small pouches (13) enclosing the freezing gel (14) have a shape with rounded corners, the cooling device has superior sensation during use as well as fit to the body and makes it possible to maintain a cooling effect within a suitable temperature zone for a long duration of time.
