A Box of 25 Premium Quality Coloured Plastic Lovely Bobbins in One Plastic Bobbin Case Box Colorful Plastic Sewing Machine Bobbins Fits Singer Brother Janome Toyota Red Blue Yellow Purple Green Bobbins Diameter: 20.4 mm; Height: 10 mm; Axis Diameter: 6.2mm 5 assorted colours 25 bobbins in a clear box