| 摘要 |
PROBLEM TO BE SOLVED: To provide a styrene foam packaging material in which one set of packing material can be collected in one form without using any other parts such as a string, and the space necessary for storing the packing material can be reduced when storing or disposing the styrene foam packing material. SOLUTION: A convex fitting part and a concave locking part fitted to each other are provided on a plurality of styrene foam packing materials constituting one set, and the fitting part and the locking part are fitted and fixed to each other to collect one set of packing materials without using any other parts such as a string.
|
