Jiffy White Size JL4 is classed by Royal Mail as a Packet size.
Bubble lined white bag, ideal size for A4 sized documents and presentations.* External Size 285mm x 355mm* Internal Size 265mm x 345mmSize JL5 Jiffy is equivalent to Featherpost size H and is classed by Royal Mail as a Packet size.
Jiffy White Size JL6 and is classed by Royal Mail as a Packet size.
Jiffy Size 7 is equivalent to Featherpost size k and is classed by Royal Mail as a Packet size.
Jiffy Gold Size JL 00 Our Ref: 1772
Bubble lined gold kraft bag, ideal small accessories or electrical components.
Jiffy envelope size JL00 is equivalent to Size B Featherpost and is classed by Royal Mail as a Letter for slim items (max 5mm thickness) or Large Letter (up to 25mm thickness)
Jiffy Gold Size JL000 Ref: 1771
Bubble lined white bag, ideal for mobile phones or jewellery.
Jiffy Bag JL000 is equivelent to featherpost size A and is classed by Royal Mail as a Letter for slim items (max 5mm thickness) or Large Letter (up to 25mm thickness)
This size of jiffy envelope is classed by Royal Mail as a Large Letter (up to 25mm thickness) or Packet
Jiffy envelope JL2 is equivalent to Size D Featherpost and is classed by Royal Mail as a Large Letter (up to 25mm thickness) or Packet
Jiffy size 3 bubble mailing bag is equivalent to Size E Featherpost and is classed by Royal Mail as a Large Letter (up to 25mm thickness) or Packet
Gold size 5 is equivalent to size G Featherpost and is classed by Royal Mail as a Packet size.
Jiffy envelope size JL6 is equivalent to Featherpost Size J and is classed by Royal Mail as a Packet size.