Chomps the dino and willa the whale now come together with our new mini story book (3.5″ x 3.5″) the storybook brings the brushies to life and provides brushing tips. Made in the usa. Bpa and phthalate-free. Non-toxic, 100% food-grade silicone. Easy to clean and sterilize. Dishwasher-safe. For ages 4 weeks to 4 years.