Target Grade/Age: Specifically sized for primary school students in Class 2 to 4 Dimensions: Measures 16" (Height) × 12" (Length) × 7" (Width), offering optimal storage without being oversized for young kids. Smooth-Rolling Wheels & Trolley Handle: Equipped with a sturdy multi-stage retractable aluminum handle and durable bottom wheels for easy maneuvering across school hallways. 3D Embossed Front Design: Highlights vibrant, eye-catching 3D graphic themes (Space Astronaut, Great White Shark, Sports Balls, ) that kids love. Dual Functionality: Features comfortable, padded adjustable shoulder straps on the rear, allowing kids to switch easily between a rolling trolley bag and a standard backpack. Spacious Compartments: Includes multi-zippered sections to organize textbooks, notebooks, pencil cases, and side mesh pockets for water bottles.