UN3373 envelopes – Safe-Hold

SAFE-HOLD™ UN3373 envelopes are used as part of a compliant specimen transportation solution, and can be used as outer packaging for sending certain items in the post, as long as the packaging within is also compliant.

Custom sizes and custom printed envelopes are available – standard sizes include C5 (176mm x 240mm) and C4 (229mm x 324mm)