https://www.safetylock.net/lockout-tagout-devices/confined-space-covers/ Confined Space Lockout Covers - Check Wide Range on E-Square Website Confined Space Lockout Covers provide a practical and sturdy solution to restrict unauthorised employees’ access by placing a durable physical barrier at the opening. Check the wide range of confined space covers on the E-Square website. These lockable, adjustable velcro and elastic confined space covers can be fitted on most of the entry and egress points on man-ways, heater doors, nozzles and vessel skirts.