Problem to be solved: to provide a packing body of boron nitride powder suitable for use in which the quality stability of cosmetics is required.Solution: the packaging body 100 includes an exterior body 10 having a metal film, an interior body 20, which is sealed inside the outer body 10 and has a vapor permeability exceeding 10 g / (M2), and has a boron nitride powder 40, and a moisture absorbing material 30 disposed between the outer body 10 and the interior body .The packaging body 100 is configured to maintain the eluted boron of the boron nitride powder 40 at 20 ppm or less when stored in the sealed state 10 under the condition of 40 ° C. and 75% RH in the sealed state.Diagram【課題】化粧料等の品質安定性が求められる用途に好適に用いられる窒化ホウ素粉末の梱包体を提供する。【解決手段】梱包体１００は、金属膜を有する外装体１０と、外装体１０の内部に封入され、１０ｇ／（ｍ２・２４ｈ）を超える水蒸気透過度を有し、窒化ホウ素粉末４０が収容された内装体２０と、外装体１０と内装体２０との間に配置される吸湿材３０とを備える。梱包体１００は、４０℃、７５％ＲＨの条件下、外装体１０を封止した状態で１年間保管したときに、窒化ホウ素粉末４０の溶出ホウ素を２０質量ｐｐｍ以下に維持するように構成される。【選択図】図１
