PROBLEM TO BE SOLVED: To provide a sanitary pillow which is installed in a wheelchair and the like, which is attached to a portable backrest capable of stably maintaining a seated persons posture, and which does not provide a feeling of discomfort.SOLUTION: A pillow 10 is attached to a portable backrest that has supports 3 provided at both ends of an approximately quadrangular seat member, respectively. The pillow 10 has a pillow body part 11 for supporting a users head. Gripping members 12, which are detachably attached to the supports 3, respectively, are provided at both ends of the pillow body part 11.SELECTED DRAWING: Figure 5COPYRIGHT: (C)2016,JPO&INPIT【課題】車椅子等に設置され、着座した人の体位を安定して保持可能な可搬式バックレストに取り付けられる枕であって、不快感を与えることがなく衛生的なものを提供する。【解決手段】枕10は、略四角形状のシート部材の両端にそれぞれ支柱3を設けた可搬式バックレストに取り付けられ、利用者の頭部を支える枕本体部11を有する枕10であって、支柱3のそれぞれに対し着脱可能に取り付けられる掴持部材12を、枕本体部11の両端に有する。【選択図】図5