DIPUG Dinosaur Kids Toddler Backpack for Boys and Girls, Preschool Backpacks with Chest Strap and Whistle (14" tall)

This lightweight and spacious backpack is perfect for 3-5 year old boys, with a capacity of about 8L and measures 13.8*9.8*3.9inch.

It has 4 zippered compartments to keep items organized and easily accessible, including a main zipper compartment for school supplies, a large zippered pocket for a change of clothes, small zipper pockets for small items, and a waterproof and insulated storage pocket for toys and snacks.

The backpack is made of durable polyester fabric that can withstand wear and tear, and the back and shoulder straps are padded with soft mesh sponge for comfort and breathability.

Additionally, the chest straps provide extra support and a whistle is attached for quick calling in emergencies.

The unique design of this backpack makes it stand out from others and ensures your child's safety while running or playing.