well designed with fun decals & manufactured to international standards. Come with a unique red saftey light at the back. Flashing light lasts for 20 hours flashing. User replaceable 2× AG3 cell batteries
Small: 48–53cm (19–21") ideal for ages 2–5
How to Measure: Simply wrap a measuring tape around your head starting about an inch above your eyebrows and encircling the widest part of your head.