* Grow with Baby * 6 + Months , 9 + Months * BPA Free * PVC Free * Interchangeable * Extended Life * Easy Clean * Dishwasher Safe * Hypoallergenic * Petroleum Free Safer from the inside out Glass has long been trusted as the safest and most hygienic material for babies because it is chemically stable and does not absorb tastes or odors. * Travel cap * Collar * Silicone Sippy Spout 6+m * Travel Disc * Easy-Grip Handles * Outer Shell Insulates & Helps Protect Glass from Breakage * Non-Slip, Shock-Absorbing Base with Safety Release Outlet * Silicone Straw Top 9+m * Use straw top with or without silicone straw insert * Glass cup insert holds 4oz (125 ml) Glass sip & straw cup * liquids only touch silicone & glass * straw supports healthy oral development * drip-free spouts with unvented free flow for natural transition from breast-feeding * non-slip, shock-absorbing base helps resist breaks * 2 straw drinking options: traditional & tilted