Packaging material and information recording media packaged by packaging material

A packing material for packing an information recording medium or a case for accommodating the information recording medium, wherein the packing material is composed of a biodegradable film and is cut into pieces of size enough to pack the information recording medium and heat sealing agent layers composed of polyester heat sealing agent are selectively provided in mutually superposed and heat-sealed positions or areas including the heat-sealed positions when the information recording medium is packed,

• wherein picture pattern layers are provided on the biodegradable film as well as the heat sealing agent layers,
• wherein the heat sealing agent layers and the picture pattern layers are formed within a range of 70% or less as large as the entire area including the front surface and the back surface of the biodegradable film and about 30% or more as large as the entire area including the front surface and the back surface is exposed.

An information recording medium covered with a biodegradable film and packed by heat-sealing the folded and superposed parts of the end parts of the biodegradable film, wherein heat sealing agent layers are provided in the mutually superposed and heat-sealed parts and picture pattern layers are provided in a part facing the main surface of the packed information recording medium or a case for housing the information recording medium in the biodegradable film, and the sum of the area where the heat sealing agent layers are formed and the area where the picture pattern layers are printed, which are provided in the biodegradable film, is located within a range 70% or less as large as the entire area including the front surface and the back surface of the biodegradable film and about 30% or more as large as the entire area including the front surface and the back surface is exposed.