Wholesale 10000pcs White 450 x 500 + 50mm Poly Mailer Envelopes - Ideal for E-commerce and Retail Shipping

At a glance Pack: 10,000 pcs Usable size: 450 × 500 mm Seal flap: 50 mm (450 × 550 mm overall) Film thickness: 60 µm Material: 100% virgin low-density polyethylene (LDPE) Colour: white outside, black inside (opaque) Closure: permanent self-seal strip, tamper-evident The same mailer, packed for volume These are the same 450 × 500 mailers as our 100–1,000 packs, packed in bulk for high-volume senders. They suit jackets, bulky knits, and folded towels and bedding. Buying fewer than 10,000? 450 × 500 packs from 100 pcs → See all wholesale packaging → Wholesale questions Need a different quantity?Email sales@ozpack.com.au with the size and quantity you need. Can I try them before ordering 10,000?Yes. Order a packaging sample and test the fit on your own products. Can I print my logo on these?Yes. Custom-printed mailers start from 50,000 pcs. Request a custom quote →