Size Approx.: diameter is about 2.6In(6.5cm).<br>Please confirm the bottom width of the new thermos before placing an order.<br> Material: Made of bpa-free silicone。<br>High stretchy ability allows it to fit different sizes of bottles and cups. <br>The bpa-free silicone is durable, designed to last a long time,Choose a color that matches your bottle, or create a unique look that expresses yourself.<br> Washable, non-slip, quick dry for durable and convenient use. <br>Well protect your table surface from scratches and hurt. <br>perfect for holding hot coffee mug and tea cup, bottles. <br>【Package include】: 20Pcs，10 Color, 2 for each color