Easy to carry:
The singer bobbins are enclosed in a transparent plastic box, each bobbins in a separate position, very organized.
High-quality:
These transparent bobbins are made of plastic, durable, practical, smooth without a burr, will not scratch the line. High-quality plastic tubes that can easily wrap the line on it without breaking.
Multi-quantity:
The package includes 50 transparent plastic bobbins, two transparent storage bobbins boxes, and great sewing machine accessories. Enough for you to use to worry about changing wires without enough shaft.