Features: brand new and high quality Type:100 Set Press Studs Fasteners.Size:8.5/10/12/15/17. The snap fastener set is easy to use and is a useful fastener for any sewing project,and then the two parts can be snapped together. High quality brass,durable to use.Electroplating,not easy to rust, long-term use. A variety of sizes are available.Arc lines smooth classic and generous modeling.Great enough for meeting your different needs. Suitable for sweater,windbreaker,backpack,shoes,,woolen coat,shirt,coat,etc. Specifications: Material:Copper Size: 1 Approx.0.85cm/0.027in 2 Approx.1cm/0.03in 3 Approx.1.2cm/0.039in 4 Approx.1.5cm/0.049in 5 Approx.1.7cm/0.056in Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package includes: 100 Pieces Snap Buttons