Commodity Code Listing
NIGP: 310 - ENVELOPES, PLAIN (SEE CLASSES 525, 615, 640, 655, 665, AND 966 FOR OTHER TYPES)| NIGP Code | Description | 
|---|---|
| 310 06 | ENVELOPES: CLASP, STRING, ETC. | 
| 310 24 | ENVELOPES, PLAIN, SPECIAL, COLORED WOVE, WHITE WOVE | 
| 310 30 | ENVELOPES, PLAIN, STOCK SIZES | 
| 310 31 | ENVELOPES, PLASTIC AND POLY. | 
| 310 60 | ENVELOPES, RECYCLED PAPER | 
| 310 65 | ENVELOPES: SEED, METAL OR PLASTIC CLOSURE | 
| 310 67 | ENVELOPES, SHIPPING AND MAILING | 
| 310 78 | ENVELOPES, X-RAY FILM FILING |