Color Builder Collection from Aurifil is 100% cotton, 50 weight thread. Como Blue includes 3 large spools (2770, 2735, and 2784) with 1422 yards of thread in each spool.
Aurifil – The Italian Cotton Makers
Italian Color Builders – Shop Aurifil - Official
Aurifil Thread Color Chart, Find a Thread Color Match
Thread Matters 2022: Back to Basics – auribuzz
Aurifil Thread Color Chart, Find a Thread Color Match
Aurifil Thread – Cherrywood Fabrics
Aurifil Color Builder 3 pc Set - Como Blue AC50CP3-006 – GE Designs
Resources – Aurifil
Thread - Frayed Fabrics
Thread Set - Stash Fabrics
Aurifil Thread Pack - Blu
Italian Color Builders – Shop Aurifil - Official