Also known as sippy cups * Insert size: 8.42" x 4.69" * Overall Height: 6-5/8" to top of sipper * Easy twist to open spill-proof top * Individually boxed * To insert your design unscrew the color inner liner from the outside portion * Available colors: blue, green, hot pink, and white * Not dishwasher safe, hand rinse only * BPA free INSERTS SHOWN IN THE IMAGES ARE NOT INCLUDED. THEY ARE JUST SHOWING EXAMPLES OF WHAT YOU CAN DO WITH THE ITEM.