Features: Mud Maker Cup You need to put it in the freezer layer of the refrigerator for 4-5 hours, then pour your favorite drink, squeeze it, you can taste delicious smoothie maker cup just pour your favorite drink and squeeze lightly, your slushy will be instantly ready to enjoy a slushy party of different flavors, great for pairing with juice or soda, or you can add milk to make a thick shake or ice cream.The mud machine cup is made of food-grade silica gel and pp material, which is environmentally friendly and healthy, safe to eat in the mud machine cup, and has food-grade refrigerant.The built-in refrigerant and ingredients exchange heat and cold, making it delicious, safe and hygienic.Reusable, detachable and washable with water, usually freeze once, use once, built-in condensate has a shelf life of 18 months Washable and reusable, just wash with soap and refreeze, use again and again.