Features: These rubber ducks for bath are not just entertaining toys, but also provide an opportunity for kids to learn while playing. Children can learn about buoyancy and displacement while playing with these ducks in the water. Hence, they are not only enjoyable but also educational. Considering the nature of their usage, these yellow rubber ducks are designed to be easily cleanable. Simply wipe them with a mild detergent and they will become clean. Designed for regular play and robust handling, they can withstand the test of time. Specifications: Material: rubberColor: yellowSize: about 2.2 inches/ 5.5 cmPackage includes: 12 x Rubber ducksNotes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.