450ML/15OZ STAINLESS STEEL BOTTLE, VACUUM INSULATED STAINLESS STEEL OUTER AND INNER, INNER SS304 AND OUTER SS201, BPA FREE. RAINBOW PEARL PAINTED+SCREEN PRINTED BODY. THE BOUNCING COVER IS MADE OF PP MATERIAL WITH A SEALING RING AND SUCTION NOZZLE.WEIGHT:255G, CALIBER: 46MM.