Make The Night To Day The hobbies of our bat rubber duck are hanging upside down, sleeping and panicking around in case of a disturbance of sleep. He is actually a very sociable type and a fan of group cuddles and "hanging out" with the crew. A very relaxed guy who loves to sleep. Approximate Size: 3 W x 3. 5 H x 3. 5 L. Squeaky: bottom has hole so it squeaks. Materials: Made of vinyl. Lead free and phthalate free. Caution: Small toys pose a choking hazard to children under the age of three. Use proper supervision.