Perfect for eCommerce sellers, home businesses, and everyday post. 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 6×9, 9×12, 10×14, and 12×16 (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. Need documentation for tax or accounting purposes? A full VAT invoice is available upon request after purchase, ideal for business buyers or re.