Material: TPU Size: 13mm Packing: 25000pcs/roll Color: natural, black ( any color can make) Tensile: 3.5 lbs Plastic Staple Pin Material: TPUSize: 13mmPacking: 25000pcs/rollColor: natural, black ( any color can make)Tensile: 3.5 lbs 1. The staple pin is flexible and strong enoughr for jeans washing. It will not break during washing process. However, you can split by hand easily after washing. 2. ...