Item Type: Sewing Machine Bobbins Material: Plastic Specification: 25 Pieces Function: Sewing, Assistant Application Scope: 974 Sewing Machine Package List 25 x Sewing Machine Bobbins 1 x Storage Box 1There are 25 pieces of sewing machine bobbins in the package, which is enough for you to meet daily sewing needs, use them for a long time. 2Easy to install and easy to use, the sewing machine spool supports exquisite craftsmanship, which can be used in professional sewing. 3These transparent bobbins are made of plastic, durable and practical, the bobbin is smooth and won't scrape the string. 4This spool is manufactured in accordance with strict quality control standards and has been improved to increase durability. 5Perfect for anyone just starting out with an embroidery machine or a sewing machine, the operation is very simple.