All Aboard for the sipping fun with Thomas! This Thomas the Tank Engine 9oz sipper cup has a press-on lid with flexible straw to keep them from spilling! Sculpted 3-D Thomas the Tank Engine figure floats at the bottom of the sipper cup. BPA-free product; food safe. Dishwasher safe. Stain resistant. Do not microwave. This Thomas fun float sipper has 9oz (266 ml) capacity. Recommended for children ages 3+.