WARDEN (NINJA) RUBBER DUCK Judo, Jui Jitsu, Aikido, Kendo, Karate ...as diverse as the asian martial arts, so versatile the gift idea: equipped with technical toys and a black camo suit, our Warden rubber duck is a great gift for true protectors or as motivation for a self-defense or martial arts course!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.