Premium Material: Each straw replacement for Stanley tumbler 40oz made of the same food-grade plastic as the prototype, smooth edges, BPA-free, odorless, reusable, and durable, could be daily used for Stanley Quencher tumblers in peace of mind. Adjustable Length: The length of the replacement plastic straw is 11.81 inch, please measure the height of the stanley tumbler cup, cut your new replacement straw to fit your stanley cup according to the picture on detail page. Easy to Clean: The straws for stanley cups of 11.81 inch in length, 0.4 inch in diameter, the length of the cleaning brush is 12 inch, and the straw brush can be bent, you can be reused by simply cleaning it with the included cleaning brush. Notice: In order to avoid straw damage, please wash it by hand, do not put it in the dishwasher. Notes:Do not put in the dishwasher to clean, will have the risk of bending, it recommended the use of cleaning brush.