A groundhog shaped straw topper in two sizes, 8.0mm(small) which fits tumbler size, regular 16-20 oz(sku#002870) and 10.0mm(medium)  Fit on Stanley 30-40 oz Straw or Any large-sized straw.sku#002871) Adds a special cute addition to your tumbler and also keeps anything from getting in your drink.  Tumbler(sku#001569) is purchased separately, and is available for purchase on the website.