MULTIPURPOSE MIXED-SIZE MAILING BAGS:Designed for safe, secure, and versatile shipping, this pack of 60 mixed grey poly mailer bags includes four popular sizes (6x9, 9x12, 10x14, 12x16 Inch Pack Of 60 ), ideal for mailing clothing, documents, phone accessories, small parcels, and more. Perfect for eCommerce sellers, home businesses, and everyday post.DURABLE & ECO-FRIENDLY PROTECTION:Crafted from 100% recycled polyethylene, these mailing bags are waterproof, tear-resistant, oilproof, and burst-proof, providing reliable protection against the elements while supporting environmentally conscious shipping.SAFETY WARNING, MULTILINGUAL:To ensure safety and regulatory compliance, each bag features a printed suffocation warning in 8 major languages: English, German, French, Italian, Spanish, Dutch, Polish, and Swedish.PERFECT SIZE WITH SECURE SEAL:Each size 6x9, 9x12, 10x14, and 12x16 (152x229mm, 229x305mm, 254x356mm, and 305x406mm) mail bag features a strong self-seal adhesive closure that is tamper-evident and permanent once sealed; it cannot be opened without visible damage. Sold in a cost-effective pack of 25 per size, ideal for small items, frequent shippers, and online sellers.VAT INVOICE AVAILABLE: Need documentation for tax or accounting purposes? A full VAT invoice is available upon request after purchase, ideal for business buyers or regular sellers.