A shoulder-filled inflatable bag (1) includes a box body (11) and a cover body (12). The shoulder-filled inflatable bag (1) can protect the packaged objects, such as a bottle, especially a bottle having shoulders, such as a detergent, a laundry detergent, and etc. In addition to protecting the bottle from external impact, especially the neck of a protective bottle, the shoulder-filled inflatable bag (1) effectively disperses the pressure on the bottle, so that the bottle is not broken due to pressure during transportation or handling.
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