23L Lightweight School Bag

Ergonomic Student Backpack - Ultra-Lightweight Spine Protection Design (31×22×45cm, 0.59kg)

🏷️ Orthopedic Features:
• Air Cushion Suspension System - 3D mesh back panel + S-shaped shoulder straps distribute weight evenly
• Ultralight Construction - Only 0.59kg (1.3lbs) of high-density Oxford fabric
• Scientific Load-Bearing - 31×22×45cm capacity meets ISO 18185 student backpack standards

🎒 Smart Organization:
✓ Dedicated 15" laptop compartment with shockproof padding
✓ 5-point weight distribution system
✓ Reflective strips for night safety
✓ Front organizer with pen slots + card holder

🌈 Color Selection:
• Light Blue - Fresh academic style
• Black - Professional minimalist

🏆 Certified Protection:
✔ Pediatrician-recommended ergonomic design
✔ Reduces 35% shoulder pressure (compared to standard backpacks)

📚 Perfect For:
▸ Grade school to college students
▸ Carrying heavy textbooks (up to 8kg load)
▸ Cycling to campus/bus commutes

📦 Includes:
• Free orthopedic insoles (worth $15)
• 1-year frame warranty

💬 Doctor's Note:
"Proper weight distribution prevents juvenile scoliosis" - Dr. Chen, Orthopedic Specialist

⚡ Back-to-School Offer:
Buy now with free shipping.

Use: student backpack, travel bag, leisure bag
Color: light blue, black
Material: Oxford cloth
Lining material: polyester
Size: 31*22*45cm
Weight: 0.59kg/1.30lbs
Carrying system: air cushion strap
Bag type: backpack