describe Compatible: Compatible with most sewing machine spools, such as: AEG, Babylock, Bernina, Brother, Carina, Elna, Gritzner, Husqvarna, Janome, Medion, Necchi, Privileg, Singer, Toyota, Veritas, etc. Only Pfaff sewing machines are not suitable. Contents: Your choice of ready-to-use bobbin case with plastic, metal or thread-wrapped sewing machine bobbins Handling: Thanks to the semi-circular compartment, the spool does not slide and fits perfectly in the spool case. Material: The spool case is made of unbreakable clear plastic. Sewing thread is made of 100% polyester. Depending on the choice, empty spools are made of metal or plastic BENEFITS: Perfect storage for up to 25 spools - securely stored in the unbreakable storage box. Product Description Specification: Plastic bobbin case filled with bobbins of your choice Here you will find a practical bobbin case with sewing machine bobbins, made of plastic, metal or bobbins, depending on your choice. You will get a high quality sewing spool. Bobbins are our best seller and can be used in all kinds of sewing machines. The bobbin case is suitable for all common sewing machine bobbins. Up to 25 scrolls can be clearly sorted. Features: Compatible: Compatible with most sewing machine spools, such as: AEG, Babylock, Bernina, Brother, Carina, Elna, Gritzner, Husqvarna, Janome, Medion, Necchi, Privileg, Singer, Toyota, Veritas, etc. PLEASE NOTE: Spools are not suitable for Pfaff sewing machines. CONTENTS: Ready-to-use bobbin case with plastic, metal sewing machine bobbins or wound spools depending on choice Handling: Semi-circular compartment prevents spools from sliding and fits perfectly in the bobbin case. Material: The spool case is made of unbreakable clear plastic. Sewing thread is made of 100% polyester. Depending on the choice, empty spools are made of metal or plastic BENEFITS: Perfect storage for up to 25 spools - securely stored in the unbreakable storage box. Technical data: Model: Filled bobbin case (depending on choice) Box size: approx. 12 x 10 x 2.6 cm (W x D x H) Bobbin specifications: 20.5*10.8*6.2MM (there is a slight error in manual measurement) Number of compartments: 25 (5 rows of 5 compartments) material: plastic Spool Material: Hard Metal or Plastic