New Upgrade: Designed for STANLEY tumbler,the ice cube tray can be made into three Cylinder ice cube,which perfectly match the 30 oz & 40 oz STANLEY cups.The ice cube can fill the entire cup to the maximum, resulting in a longer cooling time, and the hollow ring design can ensure the normal use of the straw.If you have a STANLEY cup,don't miss it! Food Grade Material: The ice cube tray is made of food grade silicone and also comes with a detachable delicate plastic case.Food grade silicone is safe,recyclable,odorless,durable,soft and flexible.The closed hard shell can ensure that the ice is separated from the rest of the refrigerator,so that you get pure ice that is not contaminated,making the freezing process easier and more efficient,and also keep your refrigerator clean. Amazing STANLEY Cup Accessories: The ice block mold creates three rings of ice cubes. The ice cubes fit perfectly into the cup, and you can use the straw without being hindered by the ice cube.Make more delicious drinks for your Tumbler cup with creative Ice cube tray. Easy to use: The ice cube tray has three ice cubes positioned in a clever way, which allows each ice cube to be lifted up and then squeezed into the silicone mold (see the product video) so that the ice cubes can be easily removed from the mold,without having to wait a long time.The ice cube tray is easy to clean and store, and its closed design means it won't cause water leaks that can cause a mess in the refrigerator. Best Gift: ice cube tray is functional,cleverly designed, and packaged in a box.If your friends or family have STANLEY cups,whether it's for birthdays,Father's Day,Mother's Day,Christmas,New Year,etc.,this ice cube tray is undoubtedly the best and creative gift choice.We are responsible for product quality,if the product has any quality problems,please do not hesitate to contact us,we will provide you with satisfactory after-sales service.