Close securely with an easy-peal seal on a fold-over flap.
We do extensive QA testing with our own labels and others, but can't guarantee that ALL labels will to stick to these envelopes
Accepted by all major courier companies including DHL, USPS, Australia Post, Sendle, Royal Mail, FedEx and many more.
IMPACT
Called a ØPACK because of the extremely low impact way they're made from limestone quarry waste and recycled resin. Using only renewable solar power, no water, acid or bleaches. All offcuts are even recycled back into more mailers.
