Hongtu flash pre-inked seal has passed the testing of the Material Evidence Identification Center of the Ministry of Public Security of China, and has registered the product structure and appearance design patent, fully in line with the national seal product quality requirements. JFK series products adopt a streamlined cylindrical design, with bright shell color, transparent bottom cover using environmentally friendly ABS material, not easy to break, in use can prevent dirty hands, do not need to open the lid can also see the content of the stamp, saving the time of using the stamp, the cover window can place the content of the seal can also be placed exclusive LOGO. Features: 1.Exquisite window, using PC material to increase the visual effect 2. The main structure of the stamp is stable, and a cylindrical oil injection hole is designed in the middle, making it more convenient to add ink. The appearance uses a cylindrical handle for comfortable grip, with a simple brand flash foam pad and ink storage pad to make the mark clearer and more durable. 3. The transparent bottom cover design is strong and fall-resistant, which can not only protect the sealing cover from damage, but also clearly see the content of the stamp surface. 4. Stable and strong stamp body, easy and smooth stamp。At present, this stamp has four sizes: round 16mm,21mm,25mm and 31mm. The standard color of the handle is pink, light blue, orange, light green and purple. Of course, we can also customize different colors and silk-screen LOGO according to customers' needs，OEM or ODM is acceptable。