Envelopes
"TEMU 50pcs 6""x9"" Clear Adhesive Top Loading Packing List Clear Shipping Pouches, 7.5""x5.5""mailing/shipping Label Envelopes"
Faster shipping. Better service
https://www.bizrate.co.uk/envelopes/temu-50pcs-6-x9-clear-adhesive-oid31638932720.html