Grey Mailing Bags 14×21" (356×533 mm) – Self-Seal Recycled Postal Bags Property_Closure/Peel-and-Seal (Permanent) wide boxes View 21×24" 533×610

wide boxes View 21×24" 533×610 Bulky apparel

Sized to keep many orders within Royal Mail Small Parcel when packed efficiently

helping you keep parcels in lower weight bands versus boxes — simple savings without losing protection

19 Inch (G/4)

Grey Mailing Bags 14×21" (356×533 mm) – Self-Seal Recycled Postal Bags Property_Closure/Peel-and-Seal (Permanent) wide boxes View 21×24" 533×610Grey Mailing Bags 1421" (356533 mm) are designed for larger apparel, outerwear and textile orders that need more depth without the bulk of a box. Made from 60 micron co extruded LDPE, these self seal mailing bags are opaque for privacy, water resistant for courier handling, and fully recyclable across UK soft plastic schemes. Ideal for sellers using Royal Mail Small Parcel and major courier networks. Need a different fit? See all sizes or browse the