Patent ID: 7981493

Claim:
A packing buffer member that is formed by a sheet thermoplastic resin and that is to be placed inside a pack with an object to be packed, the packing buffer member comprising: a plurality of first hollow convex parts that are formed so as to protrude in a first direction relative to a forming base surface and that contact with an outside surrounding part of the object to be packed to hold the object to be packed; a plurality of second hollow convex parts that are formed so as to protrude in a second direction opposite to the first direction relative to the forming base surface and that contact inside the pack; a holding part that holds an upper surface or a lower surface of the object to be packed, the holding part being formed so as to protrude in the second direction relative to the forming base surface; and a buffer part that is formed so as to protrude in the second direction relative to the holding part and that contacts inside the pack, wherein the first hollow convex parts and the second hollow convex parts are alternately arranged in a circumferential direction of the holding part, and wherein the second hollow convex parts are arranged at four corners of the packing buffer member.