Custom Printing Unisex Trolley Smiggle Kid School Bag Backpack with 4 Wheels. Customization Options: Design, logo, size, color, fabric, and lining can all be customized. Waterproof Material: Made from recycled polyester with waterproof and water-resistant features. Large Capacity: Capacity ranges from 20 to 34 liters, suitable for school and travel. 360-Degree Wheels: Equipped with 360-degree spinning wheels for easy maneuverability. Retractable Handle: Features a retractable handle with lengths from 27.5 to 40 cm. Factory Direct: ODM/OEM manufacturer with BSCI, SGS, and ISO certified production. Fast Sample Production: Sample time is 3-7 days, with bulk order time of 15-25 days. Multiple Payment Methods: Supports Online Pay, T/T, Credit Card, PayPal, and Cash.