... logo accepted 3)factory direct price 4)small MOQ water proof usb silicone keyboard1.Full size keyboard with numeric keypad ... , eco-friendly.3.Anti-pollution:completely sealed 4.Water Proof: water-proof surface and washable, can be ued even inside shallow water5. ... up and save the storage space .8.stable printing.9.application : office, hopital,classroom, workshops,network, bar, etc water proof usb ...