Only Fits Hydroflask 28 oz Tumbler: Closeable press-in straw perfect fits hydroflask travel tumbler. No need to trim the straw by yourself. The length of the clear straw is 165 mm. The Inner diameter is about 6.5 mm and the outer diameter is 8.5 mm. Bent Straw Give You A Better Sipping Experience: By using our elbow straw tips for Hydro Flask all around travel tumbler, you don't have to look down to find a straw when you want to drink, suitable for driving or working. The soft silicone elbow straw is not easy to poke your face and teeth. More convenient than a straight straw. Great Value: It contains 5 pcs straw tops + 5 pcs straws + 2 pcs straw cleaner brush. You can share them with your family and friends. High Quality Material: Our press in straws are made of silicone material. And the bottom straws are made of durable plastic. Greant straw cover caps for hydroflask travel tumbler are available in 5 colors, you can choose one of the colors that matches the color of your water bottle. Easy to Clean: Dishwasher safe. Come with straw brush and is long enough to clean the entire straw. Any quality problems, please let us know. We will response within 24 hours. Package Content : 5 Elbow Tips + 5 Straws + 2 Straw Brushes. Colors: comes in 5 colors to match the color of the cup. The Perfect Partner For Hydroflask 32oz Tumbler, For Hydroflask 40oz Tumbler, For Hydroflask 20oz Tumbler, For Hydroflask 28oz Tumbler.