Polythene Mailing Bag // 335x430mm // Opaque Grey (Pack of 500) HF20222 These lightweight, durable polythene mailing bags provide a flexible, secure solution for mailing a variety of items. The mailing bags feature a simple, secure peel and seal closure and an opaque grey exterior for confidentiality. These grey bags measure 335 x 430mm and this bulk pack contains 500 polythene bags.    Lightweight to reduce postal costs    Flexible polythene can wrap around contents for security    Simple, secure peel and seal closure    Internal dimensions: 335mm x 430mm    External dimensions: 335mm x 430mm    Opaque grey exterior for confidentiality    Pack of 500