What You Get: What You Get: Come with 36 pcs of different colors sewing thread spools, 36 pcs different colors pre-wound bobbins in a box and 1 pcs flexible and portable tape measures which are 60 inches measuring range and 150 cm centimeter range. High-Quality Material: The sewing threads are made of sturdy and durable polyester which will not be fraying, breaking and tangling up easily. The bobbins are made of sturdy plastic that will be not easily broken during shipping. Sewing Thread Bobbins Kit Size Information: The size of the bobbin is 2 x 2 x 1.14 cm, size A, Class 15, approx 43.7 yards thread each bobbin. The total length of the sewing threads is 15732 yards, each thread is 437 yards. Be Used On Sewing Machine In Manual Sewing: The polyester thBe Used On Sewing Machine In Manual Sewing: The polyester thread spools and threads can be used in manual sewing and are compatible with most sewing machines, such as Brother, Babylock, Janome, Kenmore, Singer, etc. But not suitable for the Singer Futura. Perfect Thoughtful Gift: The bobbins sewing threads kit will be an ideal gift for your friends and family, especially for sewing hobbyists. With the complete sewing supplies, it is easy to finish the DIY sewing for them.