ALL MATERIALS BPA FREE AND FOOD CONTACT SAFE.SINGLE WALL TRITAN PLASTIC CONSTRUCTION, WHICH IS LIGHTWEIGHT YET DURABLE, SHATTER AND STAIN RESISTANT. SCREW-ON LID, WITH FLIP TOP SIPPER AND STRAW. SILICONE SLEEVE FOR BETTER HANDLING. 3 COLOR ASSORTMENT. 12OZ CAPACITY. ExpirationThis product has no expiration date or the manufacturer has not provided an expiration date.