Stainless Steel Carabiner Mug 1.304 stainless steel 2.Portable,easy to carry 3.Carabiner handle 4.BPA-free,Passed LFGB etc. Stainless Steel Carabiner MugImport 304 stainless steel materialSingle ... wall and double wall can be chosenConvenient for camping,travelling,climbing etc. outdoor activitiesWith colorful carabiner handle ...