Firefighter Rubber Duck (100% Natural & Organic Toy) Approximate Size: 9 x 6.5 x 9 cm. Squeaker: makes squeaking sounds and has a squeaker inside (not floating duck) Materials: Made of 100% natural rubber, Natural Toy, lead-free and phthalate-free, all organic materials and paint. Baby Safe:  All Lanco rubber ducks are safe for babies to chew, including pets. Each Lanco rubber duck is unique and handmade and represents artisanal work since 1952. Lanco is a family run business from Barcelona where the unique designs are created and manufactured in Morocco.