Material Pp Tensile strength Around 400n Color Customize Printing specifications: Customer name or acronym on top , sequential numbers on the bottom. Logo Per request Faq Why chose us? 1.We are factory --specialized in the manufacturing and exporting of high quality seals more than 10 years, offer high quality, competitive factory price. 2.We have professional team-- can support you and offer the comprehensive service from design , tooling , punching and injection. The overall process will make the schedule shorter and quality stable . 3.Moq--1 piece, the least mininum to support you. 4.Samples--free sample can be provided for quality testing. 5.Quality--strictly select coal gangue from our own raw material.100%texting before delivery. 6.Payment--various options to make payment more convenient.