Box contains 3 colours: Aerolock and the colour-matched bulk thread Aeroflock.
You can create perfect, colour-matched coverlock and overlock seams with the provided 3 miniking spools Aerolock and 1 Aeroflock.
Aerolock is a high-quality overlock thread for long-lasting seams and Aeroflock is a voluminous and fluffy overlock thread suited for elastic requirements such as lingerie, sportswear, and swimwear.