LINDY USB Port Blocker Pack of 4 Colour Code: Blue

Amazon

Physically prevent access to a USB Type A Port Quick and simple to use Single key & 4 Type A Blockers Pack of 10 blockers (without key) or individual keys are also available 2 Year Warranty

Euroffice

Size: 101 x 152mm. Adhere to most surfaces and remove cleanly. 100 sheets per pad. Lined for neat notes. Assorted neon colours: Pink, Yellow and Green. Pack of 6.