**Specifications:**
**Brand:** M&G
**Product:** Schoolbag
**Series:** Urban Theme
**Features:** Lightweight, durable, suitable for both boys and girls
**Size Options:**
- **Size:** M
- **Dimensions (MM):** 280x170x360
- **Capacity (L):** 17
- **Weight (g):** 525
- **Recommended Height (CM):** Below 135
- **Size:** L
- **Dimensions (MM):** 290x170x390
- **Capacity (L):** 20
- **Weight (g):** 585
- **Recommended Height (CM):** Above 135
**Innovative Features:**
- Lightweight production process
- Spine protection design
**Weight Options:**
- Regular spine protection bag: 900g, 810g, 830g, 800g, 750g, 740g, 700g
- Lightweight spine protection bag: 600g, 525g
**Backpack Development:**
- Focus on reducing burden on children
- Six-dimensional anti-fall protection
**Materials:**
- CB-A Grade 3-layer back pad
- EVA foam technology
- Pearl cotton shoulder straps
**Safety Features:**
- Adjustable shoulder straps and chest buckle
- 360-degree reflective strips for night visibility
**Additional Features:**
- Expandable side pockets for water bottles or umbrellas
- High-quality and rigorously tested for safety
**Production:**
- Manufactured in M&G's own production base
**Design Options:**
- Available in Dreamy Purple and Navy Blue
**Model Display:**
- Female model Yuanzi (140cm) with Dreamy Purple bag
- Male model Tong (145cm) with Navy Blue bag
**Note:** The specifications are based on data from M&G's backpack research and development center, focusing on lightweight design, spine protection, and high-quality materials for durability and comfort.