automatic double colors office stamp pad

automatic double colors Office Stamp Pad water based 2 colors Stamp Pad 

1. Stamp pad with two colors.
2. plastic case sealed,water based stamp pad,office stamp pad;
3. water base ink, good quality and not easy to be washed.
4. OEM order is welcome ,good quality;
5. For bank, school and office use;
6. Excellent quality and competitive price;
7. ASTM D4236, EN71-3 test standards, ISO 9001 standard;

1. The color of ink can be red, blue, black, green, voilet, also can be no ink added.