Be mindful this only hold about 6/7 scoops max so ideal for newborns for bottles prep home or out and about.
A bit of a faff opening and closing and can be messy if you’re clumsy like me sometimes. Little hack with these is they fit inside the tommee tippee bottles and the lid goes on top- so less to carry and easier to organise. Been using mine for 7 weeks now and no over all issues