**Product Specifications:**
**Brand:** Letopo
**Model:** Spinalbag
**Features:**
- Spinalbag upgrade for backpack back panel
- Material: Plastic and zinc alloy
- Spinalbag worn on the body, featuring Spinal Protection and Decompression System 2.0
- Patent for New Ventilated Spinal Protection Backpack: ZL201220422680.2
- Newton Series
**Sales Information:**
- Letopo Newton Series with cumulative sales of over 100,000 units
- Highly praised by Chinese users
**Design and Technology:**
- Letopo's second-generation Decompression Backpack, developed over 6 years
- Ergonomic design based on human body mechanics
- Certified by China National Institute of Standardization for Ergonomic Testing
**Safety and Comfort:**
- Letopo's patented Spinal Protection and Decompression System
- Designed to maintain a safe distance between the backpack and the child's back
- Waterproof and durable materials
**Innovative Features:**
- Six-sided cushioning to absorb pressure
- Adjustable chest and waist straps for weight distribution
- Breathable and shock-absorbing materials
**Additional Features:**
- Multiple compartments for organized storage
- Reflective strips for visibility and safety
- High-quality zippers and buckles for durability
**Recommended Usage:**
- Suitable for children of different age groups and heights
**Appearance Options:**
- Available in sizes for young children, middle children, and older children
Letopo backpacks are designed with a focus on spinal protection, ergonomic comfort, and long-lasting durability, making them an ideal choice for students of all ages.
