OIWAS School Backpack

OIWAS 40L Large School & Travel Backpack – Heavy-Duty Laptop Daypack

Whether you're carrying heavy textbooks across campus, commuting to the office, or heading out on a weekend getaway, the OIWAS 40.3L School Backpack delivers the storage capacity of a 20-inch carry-on suitcase with the agile comfort of an ergonomic everyday daypack. Engineered for college students, busy professionals, and modern travelers, it combines heavy-duty durability, intelligent multi-compartment organization, and all-day carrying comfort.

🎒 Massive 40.3L Capacity (Equivalent to 20-Inch Luggage)

Never struggle to fit all your daily gear again. Boasting an expansive 40.3-liter volume, this backpack easily accommodates heavy binders, books, clothing sets, gym gear, and travel essentials. Side compression buckles keep your load compact, stable, and balanced whether fully packed or lightly loaded.

💻 Dedicated 16-Inch Shock-Absorbing Laptop Protection

Protect your valuable tech on the go. The dedicated laptop sleeve fits up to 16-inch laptops and tablets, fortified with 2cm thick shock-absorbing foam padding and bottom edge-wrapping support to guard against sudden drops, bumps, and accidental impacts.

🗂️ Smart Multi-Compartment Organization

Keep your daily essentials orderly and instantly accessible with an intuitive multi-tier pocket architecture:

• Roomy Main Compartment: Built-in divider secures laptops up to 16 inches, textbooks, documents, or clothes.
• Front Organizer Compartment: Generous secondary volume for notebooks, chargers, stationery, and headphones.
• Upper Front Pocket: Quick-grab access for keys, transit cards, and small accessories.
• Lower Front Pocket: Convenient storage for power banks, cables, and daily grooming items.
• Vertical Front Zipper Pocket: Sleek exterior pocket for boarding passes and quick-access tickets.
• Dual Elastic Side Pockets: Stretchable mesh pockets that firmly hold water bottles and folding umbrellas.

🛡️ Triple Pressure-Relief Ergonomic Back System

Say goodbye to shoulder strain and back fatigue. Designed for heavy loads and long-distance walking:

• Contoured S-Curve Shoulder Straps: Ergonomically shaped to distribute weight evenly across your shoulders.
• Adjustable Balance Chest Buckle: Stabilizes your center of gravity and prevents shoulder strap slippage during active movement.
• 3D Breathable Mesh Back Padding: Thick ventilated honeycomb padding enhances airflow to keep your back dry and cool all day.

🌧️ Encrypted Water-Repellent & Tear-Resistant Fabric

Crafted from premium encrypted high-density fabric, this backpack resists daily abrasions, tears, and unexpected rain splashes. Water droplets slide right off, ensuring your electronic devices, papers, and personal belongings stay safe and dry.

⚙️ Premium Practical Details

• Reinforced Top Carry Handle: Thickly padded for a comfortable, sturdy hand-carry grip.
• Smooth Dual Zippers: Heavy-duty hardware with easy-grip corded pulls for snag-free operation.
• Side Compression Straps: Quickly adjust the bag's profile to secure items and prevent shifting.
• Versatile Minimalist Aesthetic: Clean, timeless design that transitions effortlessly from the classroom to corporate offices and airport gates.

📐 Product Specifications

• Brand: OIWAS (Pack Your World Since 1995)
• Capacity: 40.3 Liters (Approx. 20-Inch Luggage Equivalent)
• Laptop Compatibility: Fits up to 16-Inch Laptops / Tablets
• Material: Encrypted Water-Repellent & Wear-Resistant Polyester
• Carrying System: S-Curve Padded Straps + Sternum Chest Buckle + 3D Ventilated Back Pad
• Available Colors: Forest Green, Classic Black
• Recommended Uses: High School & College, Daily Commute, Business Travel, Weekend Trips, Carry-On Daypack