**Specifications:**
**Brand:** COOLBABY
**Product Name:** Sweet Cool Magic Spine Protection Backpack
**Slogan:** Easy to Carry, Dreams Set Sail
**Model:** Coolbabyo
**Features:**
- Load Reduction System for Child's Comfort
- Breathable Back Panel with Cloud-like Load Reduction
- Lightweight Design
- Waterproof Fabric for Protection
- Large Capacity with Thickened Support
- Butterfly Wing Spine Protection Back Panel
- Adjustable and Comfortable Spine Protection
**Certifications:**
- Work Registration Certificate (Electronic Version)
- Registration Number: National Work Registration-2024-F-00122561
- Work Name: Butterfly Wing Backpack Back Cushion
- Work Category: Fine Arts
- Author: Xia Yuchun
- Copyright Owner: Xia Yuchun
- Completion Date: March 29, 2024
- First Publication Date: March 29, 2024
- Voluntary Registration by Xia Yuchun at China Copyright Protection Center
- Registration Date: May 11, 2024
- Butterfly Wing Spine Protection Patent Certificate
**Patented Design:**
- Lightweight Design
- Large Size Weight: Approximately 1000g
- Small Size Weight: Approximately 820g
**Ergonomic Design:**
- 3D High Elastic Sponge for Balanced Pressure on Shoulders, Back, and Waist
- Hollow Decompression Design for Spinal Protection
- Balanced Load Reduction for Shoulders, Spine, and Waist
**Material:**
- High-Density Waterproof Oxford Fabric
**Color Options:**
- Large Size: Purple, Black
- Small Size: Black
**Dimensions:**
- Large Size: 32*17*43cm
- Small Size: 30*16*37cm
- Note: Measurements may vary slightly (1-3cm) due to manual measurement
**Capacity:**
- Fits A4 Textbooks (29*21cm)
**Suitability:**
- Large Size: Suitable for Grades 3-6
- Small Size: Suitable for Grades 1-3
**Additional Details:**
- Comfortable Thickened Handle
- Brand Double Zippers