bank police office using pocket ink pad Black Thumbprint Pad fingerprint ink pad Fingerprint stamp pad ,oil based ink,for bank seal or election, portable and clearly. Excellent quality and competitive price. The ink can be easily rubbed by fingers. PVC inkstore pad. Plastic case sealed. Clear imprints ,the ink in your finger can be wiped easily. 1500 times used. OEM order is welcomed. The fingerprint can be dried very quickly and will not fade easily. It is used for the seal of important documents.