| Specifications | |
| Material | Outside :knitted polyester ,inside: cotton |
| Size | Regular size 260*130 , or custom size |
| Frame | Aluminium nose frame |
| Logo | Any logo |
| File format | AI , PDF, ESP etc |
| Style | Washable , reusable , filter -insert |
| Technic | Sublimation technic (health and environment friendly) |
