To provide a multilayer container, a multilayer body and a method of manufacturing a multilayer container having excellent gas barrier properties and necessary transparency even after heat treatment.SOLUTION: The polyamide resin (A) has a layer (X) containing at least one kind of polyolefin resin as a main component, an adhesive layer and a layer (Y) containing as a main component a polyamide resin (A) , Constituent units derived from a diamine and constituent units derived from a dicarboxylic acid, 70 mol% or more of the constituent units derived from a diamine are derived from m-xylylenediamine, 30 to 60 mol% of constituent units derived from a dicarboxylic acid, Is derived from an , -linear aliphatic dicarboxylic acid having 4 to 20 carbon atoms, and 70 to 40 mol% is derived from isophthalic acid.Selection drawing None【課題】加熱処理後も、優れたガスバリア性および必要な透明性を有する多層容器、多層体および多層容器の製造方法の提供。【解決手段】 ポリオレフィン樹脂の少なくとも1種を主成分とする層(X)、接着層、およびポリアミド樹脂(A)を主成分とする層(Y)を前記順に有し、ポリアミド樹脂(A)が、ジアミン由来の構成単位と、ジカルボン酸由来の構成単位から構成され、ジアミン由来の構成単位の70モル%以上がメタキシリレンジアミンに由来し、ジカルボン酸由来の構成単位の、30~60モル%が炭素数4~20のα,ω-直鎖脂肪族ジカルボン酸に由来し、70~40モル%がイソフタル酸に由来する、多層容器。【選択図】なし
