【What Is This】：PeavyTailor Little
Genie Magic Bobbin Washers are designed to eliminate backlash. It will smooth
the bobbins to avoid bird nesting when embroidering or stitching at full speed.
【How to Use】：Put these magic
bobbin washers at the underside between bobbin and bobbin case.
【Applicability】：These glide
bobbin washers fix all homestyle sewing machine such as: Brother, Janome, Elna,
Bernina, Singer, Babylock, etc.
【What Material】：These bobbin
washers are made from Teflon which is long lasting tough.
【What Color】：6 Pcs Black and 6
Pcs White.
Ship with USPS First-Class mail. Arriving within 2 to 3 business days.