Myyfeed Baby Formula Mixer works by allowing you to store the required amount of hot water in your bottle & up to 9 scoops of formula in the powder dispenser. Attach them together & store inside the insulated flask to keep the hot water in the bottle warm for hours. To make a feed you simply press the push button to allow the formula to fall into the hot water & mix The insulated flask also doubles up as storage for food jars & bottles for expressed or cows milk, keeping them hot or cold. (Baby bottle NOT included, compatible with Avent* & Tommee Tippee* bottles. Avent bottles are to be stored inside the flask without the dispenser attached, Once feed is required then attach the dispenser to mix) Myyfeed Baby Formula Mixer comes with a powder dispenser & a insulated flask, which keeps the hot water in the bottle warm for many hours. It eliminates the need to pour/measure hot water & Formula when required for night time feeding, & reduces any accidental spillages when out & about or travelling. Myyfeed Baby Formula Mixer is an all in one product which reduces the need to carry multiple items Stores & mixes hot water & formula in one product 2 in 1 product, Bottle insulator & powder dispenser Keeps hot water warm for many hours Easy to use, simply press, shake to mix & feed Reduces the need to carry multiple items Reduces accidents & spillages Reduces the risk of bacteria build up Powder dispenser stores upto 9 scoops of formula Scoop levels to eliminate errors in counting Attaches on to your own baby bottle* * (Compatible with certain brands) Flask can Store all brands of bottles for those who express or use cows milk