pack:1 pcs/set ,diameter:6.5cm,high:5.5cm
Put on the anti-overflow cup lid, you can drink liquid, to prevent the cup overturned, spilled.Training your baby's own ability to drink water.
Material is soft, suitable for 55-90mm caliber cup.100% brand new and high quality ! Easy and fun to use!
Intimate design: soft nozzle, straw is soft, protect the baby tender mouth.
Outlet for the cross hole and round hole, cross hole normal state is closed，even if the inverted cup, it will not leak.So there may be a small part of the baby will not absorb or suck the very laborious, but this is not the product quality or design problems, because any design can not meet all the needs of the baby, but most of the baby are used very well.
VWH Universal Sippy Lids Silicone Anti-Overflow Cup Cover for Toddlers Babies Child Training to Suck - B074DSY32T