Usage method：Push the stud into the material, and fold the prongs over on the back-side.
The spike is 3mm, please do not use too heavy clothing, hats or bags.
We try to ensure that there are more than 100 round dome studs in each package, so that you can replace the damaged studs during transportation or use, and ensure that more than 100 rivets can be used.
Due to the extrusion of products during transportation, the spines may have less bending, you can straighten them and use them.
Note:
1. Please allow 1mm error due to manual measurement.
2. Packing by weight, there may be an error in quantity.
3. Color might be slightly different due to the color calibration of each individual monitor.
4. The product contains small objects, adult supervision require.