BEBEK Training cups (8oz) and SenseFlo? Soft Spout, part of our Plus+ line are perfectly designed for easy transitioning. This set includes two Plus+ Soft Spout Cups (8oz) BEBEK Soft and Flexible Spout training cups feature a unique ergonomic shape, easy grip and spouts designed for non-spilling. Perfect for babies final transition. Patented SenseFlo? natural response spout technology, is designed so that the second baby sucks; liquid comes out preventing air bubbles. Bebek Plus+ design is perfect for babies transitioning stage and provides the most natural and comfortable feeding time. Our Plus+ Cups are made of polypropylene, BPA/PVC free, with no complex parts to assemble.