1Pc Sewing Machine Bobbin Case Bobbin Holder with 5Pcs Metal Bobbins for Home Sewing Machine DIY Needlework Sewing Accessories

Functions: With this sewing bobbin case you could carry out sewing operations smoothly without worrying bobbin thread unraveling or tangling.
Application: the bobbin case can be applied for majority of front-loading machines, such as Babylock, Bernina, Brother, Elna, Janome, Kenmore, Singer ect.
Size: Sewing bobbin case: 0.867 inches x 0.63 inches / 2.2cm x 1.6cm (width x height); Sewing bobbin :0.79 inches x 0.4 inches / 2cm x 1cm (width x height).And please note that there may be a difference of 1-3 mm.
Tips: Measure your actual bobbin size. It should be 20.3mm across and 11.7mm wide. If it's smaller or bigger than that, it's not a model 15 and these will not work.