| Non-sterile Suture Thread | 
| Type | 
USP Range 
Available | 
Color 
(FDA-Approved Dye Used) | 
| Braided Silk | 
USP 8/0 to USP 5 | 
Black (logwood extract) 
White (no dye) | 
Braided 
Polyester | 
USP 7/0 to USP 5 | 
Green (D & C Green #6) 
White (no dye) | 
| Braided Nylon | 
USP 6/0 to USP 3/4 | 
Black (logwood extract) 
White (no dye) | 
Monofilament Nylon 
(Nylon 6.6) | 
USP 8/0 to USP 2 | 
Black (logwood extract) 
Blue (FD & C #2) 
Clear (no dye) | 
Monofilament Polypropylene | 
USP 8/0 to USP 2 | 
[Phthalocyaninato (2-)] Copper |