260 x 360mm Card Mailer Envelope - 300gsm Durable White Tough Bag QTY:50pcs These polyethylene 450mm x 600mm

These polyethylene 450mm x 600mm + gusset 50mm mailing courier satchels  include a tough self-adhesive seal to eliminate the need for tape or staples

Bulk Supply: This wholesale pack of 5000 pieces ensures you’ll always have enough envelopes on hand for high-volume mailing needs

protecting contents from moisture

even in challenging shipping environments

260 x 360mm Card Mailer Envelope - 300gsm Durable White Tough Bag QTY:50pcs These polyethylene 450mm x 600mmOptimize your packaging with our specially designed envelopes, tailored for securing soft or flat products with a snug fit, ensuring they remain under the 20mm thickness limit with ease. Unlike standard paper envelopes or poly mailers that tend to bulge with soft items, our envelopes maintain their shape, offering a cost effective and postage saving solution for your flat or soft product shipments. If you're seeking a flexible yet secure mailing