1. Introduction
Thank you for choosing the CAIWEI Basketball School Backpack. This manual provides essential information for the proper use, care, and maintenance of your backpack. Please read these instructions carefully to ensure optimal performance and longevity of the product. This backpack is designed for students aged 8-13, offering ample storage and comfortable wear.
2. Product Features
- Dimensions: 17.2 inches (Height) x 11.7 inches (Length) x 5.5 inches (Width).
- Material: Constructed from durable 100% Polyester.
- Capacity: Total capacity of 20 Liters.
- Main Compartment: Spacious main compartment designed to fit a 13-inch laptop and school books.
- Front Pockets: Multiple zippered front pockets for organized storage of smaller items.
- Side Pockets: Two mesh side pockets suitable for water bottles or other quick-access items.
- Shoulder Straps: Padded, breathable, and adjustable shoulder straps for comfortable carrying.
- Top Handle: Sponge decompression top handle for easy hand carrying.
- Zippers: Smooth SBS zippers for reliable and easy access.
- Safety Features: Reflective strips on the sides for enhanced visibility in low-light conditions.
- Design: Features a vibrant basketball print, suitable for various preferences.
- Reinforcement: Well-made stitching reinforcement for increased durability.
- Accessory Hook: Half-circle buckle to hang keys or glasses.
3. Components Overview

Figure 1: Front view with dimensions and features.

Figure 2: Back view with padded straps.

Figure 3: Bottom view showing base and side pocket.

Figure 4: Front view with a book for scale.
Video Demonstrations:
Video 1: A man demonstrates the backpack's features, including reflective strips, various compartments, and how different items fit inside. He also shows how to adjust the straps on a child.
Video 2: This video provides close-up views of a similar backpack, showcasing the zippers, padded back panel, and internal storage capacity, demonstrating its suitability for school use.
Video 3: A detailed overview of a galaxy-print backpack, demonstrating the front pocket, padded shoulder straps, side mesh pockets, and the spacious main compartment with a laptop sleeve and additional storage for headphones and other items.
4. Setup
4.1. Initial Inspection
Upon receiving your backpack, inspect it for any signs of damage or manufacturing defects. Ensure all zippers function smoothly and that stitching is intact. If any issues are found, contact customer support immediately.
4.2. Adjusting Shoulder Straps
- Place the backpack on your back.
- Locate the adjustable buckles on the bottom of each shoulder strap.
- Pull the straps to tighten the backpack until it sits comfortably on your back, with the bottom of the backpack resting around your lower back/hip area.
- Ensure both straps are evenly adjusted to distribute weight and prevent strain.
5. Operating Instructions
5.1. Organizing Contents
- Main Compartment: Use for larger items such as books, notebooks, and a 13-inch laptop. Place heavier items closer to your back for better balance.
- Front Pockets: Ideal for smaller school supplies like pens, pencils, calculators, or personal items.
- Side Mesh Pockets: Designed to hold water bottles, umbrellas, or other items requiring quick access.
5.2. Carrying Recommendations
- Always use both shoulder straps to evenly distribute weight and prevent shoulder or back pain.
- Avoid overloading the backpack. The maximum recommended capacity is 20 liters.
- Utilize the top handle for short-distance carrying or when lifting the backpack.
6. Care and Maintenance
6.1. Cleaning
- For minor dirt or stains, wipe the backpack with a damp cloth and mild soap.
- Do not machine wash, bleach, or tumble dry, as this may damage the material and structure.
- Air dry the backpack completely before storing or reusing.
6.2. Storage
Store the backpack in a cool, dry place away from direct sunlight when not in use. Ensure it is empty and clean to prevent mold or odors.
7. Safety Information
- Ensure all zippers are fully closed to prevent items from falling out.
- Do not allow children to play with the backpack straps unsupervised to avoid entanglement.
- The reflective strips are designed to increase visibility; however, always exercise caution when walking in low-light conditions.
8. Troubleshooting
- Stuck Zipper: Apply a small amount of graphite (from a pencil) or wax to the zipper teeth and gently work the slider back and forth.
- Strap Slippage: Ensure the adjustable buckle is threaded correctly. If the issue persists, check for wear on the strap material.
- Uncomfortable Fit: Re-adjust both shoulder straps evenly. Ensure heavier items are placed closer to the back.
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | Basketball School Backpack |
| Brand | CAIWEI |
| Dimensions (H x L x W) | 17.2 x 11.7 x 5.5 inches |
| Weight | 12.3 ounces (0.77 lbs) |
| Material | 100% Polyester |
| Capacity | 20 Liters |
| Recommended Age | 8-13 years |
| Closure Type | Zipper |
| Laptop Compatibility | Fits up to 13-inch laptop |
10. Warranty and Support
For warranty information or customer support, please refer to the product packaging or contact the retailer where the product was purchased. Keep your proof of purchase for any warranty claims.





