| Brand | Double happiness |
| Material | PVC |
| Sewing method | Machine sewing |
| Specification | Number 5 |
| Item number | 502 |
| Origin | Shanghai |
| Print logo | No |
| Processing and customization | No |
| Applicable scenarios | Fitness equipment |
| Volleyball classification | Indoor training ball |
| Colour | Double happiness 528-1 volleyball |
| Whether to provide exclusive supply for cross-border exports | No |
| For children only | No |
| Patent type | None |
| Foreign trade export certification | · |
| Quality inspection report number | · |
| Category | Volleyball |
| Sales | 2020 |















