The Brother Max 4 -in one cup has a big, chunky sipper rim to drink from because babies wrists and arms have less control and their cup often misses their mouth, this cup leans forward at an angle to make drinking from it easier. Because larger cups can be heavy for little ones to hold, this cup is deliberately on the smaller side to help little ones easily go from bottle to cup. Finally, because feeding products are best kept squeaky clean, this cup can be taken apart easily and washed in the dishwasher (top rack) - the cup, teat, teat ring, sipper ring and cap can also be placed in a steriliser