Small backpack featuring prints of a blue car and a fire truck. - Brand: HOPE&DREAM - Color: Blue - Design: Car and fire truck print - Features: Star-shaped decoration and front pocket - Size: Small - Straps: Adjustable back straps Thank you for viewing. My child used this when they were small. Since it was small, it wasn't used very often. The size is S, the smallest size. I think it can be used from around 1-2 years old up to around 4 years old.