**Product Specifications:**
**Brand:** Sunshine 8 o'clock (binbes)
**Model:** B-3257
**Material:** Pearlized PU + Polyester Fiber
**Grade:** Suitable for primary school grades 1-6
**Colors:** Gradient Light Purple/Gradient Pink Green/Gradient Aqua Blue
**Size:**
- Small: 28cm wide * 35.5cm high * 15cm thick (suitable for grades 1-2, for children 100-145cm tall)
- Large: 28cm wide * 38cm high * 15cm thick (suitable for grades 3-6, for children 130-170cm tall)
**Features:**
- 5S Spine Protection System
- Release One's Shoulders for balanced load reduction
- 3D massage beads for pressure relief
- Balanced chest buckle to prevent slipping
- Honeycomb breathable design to prevent sweating
- Hollow pressure-free design to protect the spine
- 4-layer protection with high-quality materials
- Adjustable force points for optimal load distribution
- Scientific decompression design for even load on shoulders, waist, and back
- Scientific ridge protection for fashionable and comfortable wear
- Rational distribution for organized storage
- 360° reflective design for nighttime safety
**Additional Information:**
- Multiple color options available: Gradient Light Purple, Gradient Pink Green, Gradient Aqua Blue
- Suitable for children's school life, combining style with spine protection
- Note: Sizes are manually measured and may have a 1-3cm error range; please refer to actual product for precise measurements.
