- Designed for both flat floors and stairs, this trolley effectively alleviates the strain on children’s shoulders and spines, promoting better posture and comfort. - With adjustable heights of 43 cm, 66 cm, and 90 cm, the one-click stretch feature allows for easy customization to suit your child’s needs, making it a versatile option for different ages and sizes. - Constructed from high-quality iron, this backpack trolley is built to last, offering strong support for heavy school bags without compromising durability. - The foldable design allows for easy storage when not in use, making it a practical solution for school or home. - Equipped with 6 smooth-rolling wheels, this trolley glides effortlessly up and down stairs, minimizing the energy required to transport school essentials. Practical use scenarios: 1. Ideal for daily school commutes, the trolley can handle heavy textbooks and supplies, reducing the risk of back strain for your child. 2. Perfect for school trips or outdoor activities, the trolley can carry extra gear, ensuring your child remains comfortable and focused on the adventure. 3. Suitable for use during sports practices or after-school activities, it can conveniently transport equipment, making it an all-around essential tool for active children. This trolley is the perfect companion for any school-going child, combining functionality, durability, and ease of use to enhance their daily routine.