1. Material: 600D Nylon(color: blue, withe, red, green optional)
2. Lining: PVC
3. Interlining: sponge (can keep warm or cool for 2-3 hours)
4. Size: 45x36x10cm
5. FM/AM radio, two speakers
6. With earphone port
7. Power: DC4.5V(3 * "AA"batteries)