safer from the inside outliquids touch only silicone & borosilicate glass2 straw drinking options: traditional & tilted that supports healthy oral developmentdrip-free spouts with vented free flow for natural transition from breast-feedingnon-slip, shock-absorbing base helps resist breaks
The Glass Sip & Straw Cup allows baby to safely handle a glass cup independently. Liquids only touch glass and silicone on the inside, while the outer plastic shell protects from breakage. A silicone sippy and straw spout are included for extended use and to grow with baby. Parents and babies love the Glass Sip & Straw Cup because it is safer from the inside out.