iron °flask straw lid for narrow standard mouth insulated sports water bottles, standard mouth, bpa free, 2 lids, 4 straws, 2 cleaning brushes st (midnight black) iron °flask <p> lifetime warranty against manufacturing defects if you register on our site </p> <p><b>share a picture of your iron flask on instagram with the #ironflask and by tagging @ironflask</b></p>