Rich quantity: This packaging includes 16 sewing machine line boxes; this sufficient number ensures that you will not easily lack a in long -term or sewing items Appropriate size: The size of these 15 -level line box boxes is very suitable for front -loaded 15 sewing machines; this Perfect size ensures the stability and obstacles of the sewing process. Reliable materials: This sewing machine shell is made of high -quality materials to its durability and long -term use; its solid structure avoids any deformation, prolongs its life life, while maintaining eye -catching silver, The sewing kit adds beauty Widely useful: sewing machine accessories are most suitable for the use of sewing enthusiasts, textile students, craft teachers and ; they are useful on occasions, from sewing from daily families to standard tailoring, making them a must -have in each sewing kit must be necessary for each sewing kit. Tool of Practical sewing tools: The thread box of these sewing machines is an effective sewing tool to the smooth release of to obtain beautiful needles; their structure keeps the bottom line tension consistent, and each time it helps to realize the Perfect and uniform needle. Make your sewing simple and time consume less Material: Metal colour: silver Package Contents: 16 x bobbin case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.