These are white cultivated Mulberry (Bombyx) silk cocoons. Package of 20 cocoons.
- 5,500 silkworms are required to produce 1 kg (2.2 lbs) of raw silk.
- 200 pounds of mulberry leaves are needed to produce 1 pound of raw silk.
- It takes a silkworm 3 - 4 days to spin a cocoon around itself.
- Each silk filament is 600-900 meters (1,970 - 2,950 ft) long.