ZIRANYU Ergonomic Removable Trolley School Backpack

The ZIRANYU Ergonomic Removable Trolley School Backpack is designed for middle school students, featuring a comfortable spine protection system and large capacity. Made from durable nylon with splash-proof protection, it includes a convenient removable trolley with a climbing ladder design, making it ideal for daily use.

Does it have back cushioning?: With cushioning cotton Waterproof strength: Waterproof Material: Nylon (polyamide fiber) Applicable stage: junior high school Closure: zipper shape: Pull rod type Applicable gender: General Function: Reduce the burden