... . Stainless steel Specification: Model numberKMS-H006DescriptionWelding stainless steel hip flask/whisky flask/liquor hip flask/engraved stainless steel hip flaskMaterial201 (18/0) or 304 (18/8 ... CertificateFDA, SGS, LFGB, Eco-friendly, BPA freeFactorySEDEX Audited, ISO9001:2008 Hip Flask