100% Nylon Thread for blending invisibly with fabrics and coloured threads. Use smoke grey for darker colours and clear for lighter colours. 200 metres / 220 yard on a reel. Product codes: CLEAR - H240
 BLK - H241 
 
Follow the link bellow for Hemline Invisible Thread demo video - https://www.youtube.com/watch?v=XRzrCkqpBBY