Referee Rubber Duck is ready for the big match and has a red card in wing ready to be raised if things get out of hand. Approximate Size: 3 3/8" W x 3 1/4"H x 3 1/8"L. Squeaking: soft rubber that makes squeaking sound when squeezed. 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.