Ready to trade in those sippy cups for big kid open cups? Help your child with the transition and let them get the perfect sip every time with My First Open Cup from The First Years. This practice cup features a Spill Control insert that fits inside the bottom part of the cup and allows just the right amount of liquid out for an easy practice sip. The cup's rim is just like a regular cup. This makes it easy for your child to get used to sipping from an open cup, but with less mess.