Premium Mailer Bags Grey Low Slip/Matt Finish with Sealing Strip 16×21+1.5″ 400×525+40mm 55Mic Box of 500

Premium Mailer Bags Grey Low Slip/Matt Finish with Sealing Strip 16×21+1.5″ 400×525+40mm 55Mic – Box of 500

Our Premium Grey Mailer Bags 16×21+1.5″ (400×525+40mm) are designed for secure, professional packaging of larger items. Made from durable 55-micron material, these heavy-duty mailers feature a low-slip matt finish for a sleek, professional appearance and a self-sealing strip with a 1.5″ flap for tamper-proof closure. Perfect for e-commerce, retail, and courier applications, they provide reliable protection and presentation for every shipment.

Product Features

• Size: 16×21+1.5″ (400×525+40mm) – ideal for large parcels and products
• Made from 55-micron thick material for maximum strength and durability
• Low-slip matt grey finish for a premium and professional look
• Self-adhesive sealing strip with extended 1.5″ flap for secure closure
• Supplied in a box of 500 for cost-effective bulk use

Ideal For

• E-commerce and online retail shipping
• Courier and postal delivery services
• Retail stores, warehouses, and dispatch operations

Durable, secure, and professional — our Premium Grey Mailer Bags 16×21+1.5″ offer a high-quality packaging solution for businesses shipping larger items. Supplied in a bulk box of 500, they combine strength, protection, and presentation for every parcel.