"Product DetailsSuitable for: Kids Material: Synthetic (upper, lining and outsole) Battery information: Requires non-replaceable button cell batteries (included) FeaturesEasy pull on and off Light up outsole Round toe Additional InformationNote: The battery life is subject to wear and tear and does not affect the wearing performance of the shoe. Button battery safety information Warning: Button Cell Batteries are Hazardous (new or used). Keep away from children. Button Cell Batteries can cause severe or fatal injuries in 2 hours or less if they are swallowed or placed inside any part of the body. If you suspect your child has swallowed or inserted a button cell battery, call the 24-hour Poisons Information Centre in Australia on 131126 or in New Zealand on 0800 764 766 or contact your country's emergency department."