These sippy tops are great to lid for any glass or cup as it simply stretches over and grips the top of any glass. Every sippy top has an air suction on the top and it's simply great to turn any glass or cup into a sippy cup. Price $9.95
Transitioning to a cup has never been easier with the Miracle 360º Sippy Cup by Munchkin. The spill-free, spoutless design enables your child to drink from anywhere along the 360-degree rim, and it seals instantly when your child stops sipping.