Playtex Sipsters Stage 3 Spill-Proof Spout Cups are engineered for active toddlers 12 months and older. Featuring double-wall insulation, these 9 oz. cups keep drinks cool and fresh twice as long as regular cups, making them perfect for both indoor and outdoor adventures. The ergonomic design is easy for little hands to hold, while the spill-proof, leak-proof, and break-proof guarantee provides peace of mind against messes. Made from BPA-free materials, all parts are top-rack dishwasher safe for simple and convenient cleaning.